//733 type

var A="a+b+c+d,a+b+c-d,a+b+d-c,a+b-c-d,a+c+d-b,a+c-b-d,a+d-b-c,a-b-c-d,a*b*c*d,a*b*c/d,a*b*d/c,a*b/c/d,a*c*d/b,a*c/b/d,a*d/b/c,a/b/c/d,b*c*d/a,b*c/a/d,b*d/a/c,b/a/c/d,c*d/a/b,c/a/b/d,d/a/b/c,(c+d)*a*b,(c+d)*a/b,(c+d)*b/a,(c+d)/a/b,a*b/(c+d),a/(c+d)/b,b/(c+d)/a,(c-d)*a*b,(c-d)*a/b,(c-d)*b/a,(c-d)/a/b,a*b/(c-d),a/(c-d)/b,b/(c-d)/a,a+b+c*d,a+b-c*d,a+c*d-b,a-b-c*d,a+b+c/d,a+b-c/d,a+c/d-b,a-b-c/d,a+b+d/c,a+b-d/c,a+d/c-b,a-b-d/c,a+b*d+c,a+b*d-c,a+c-b*d,a-b*d-c,a+b/d+c,a+b/d-c,a+c-b/d,a-b/d-c,a+c+d/b,a+c-d/b,a+d/b-c,a-c-d/b,(b+d)*a*c,(b+d)*a/c,(b+d)*c/a,(b+d)/a/c,a*c/(b+d),a/(b+d)/c,c/(b+d)/a,(b-d)*a*c,(b-d)*a/c,(b-d)*c/a,(b-d)/a/c,a*c/(b-d),a/(b-d)/c,c/(b-d)/a,(b+c)*a*d,(b+c)*a/d,(b+c)*d/a,(b+c)/a/d,a*d/(b+c),a/(b+c)/d,d/(b+c)/a,(b-c)*a*d,(b-c)*a/d,(b-c)*d/a,(b-c)/a/d,a*d/(b-c),a/(b-c)/d,d/(b-c)/a,a+b*c+d,a+b*c-d,a+d-b*c,a-b*c-d,a+b/c+d,a+b/c-d,a+d-b/c,a-b/c-d,a+c/b+d,a+c/b-d,a+d-c/b,a-c/b-d,a*d+b+c,a*d+b-c,a*d+c-b,a*d-b-c,a/d+b+c,a/d+b-c,a/d+c-b,a/d-b-c,b+c+d/a,b+c-d/a,b+d/a-c,b-c-d/a,(a+d)*b*c,(a+d)*b/c,(a+d)*c/b,(a+d)/b/c,b*c/(a+d),b/(a+d)/c,c/(a+d)/b,(a-d)*b*c,(a-d)*b/c,(a-d)*c/b,(a-d)/b/c,b*c/(a-d),b/(a-d)/c,c/(a-d)/b,(a+c)*b*d,(a+c)*b/d,(a+c)*d/b,(a+c)/b/d,b*d/(a+c),b/(a+c)/d,d/(a+c)/b,(a-c)*b*d,(a-c)*b/d,(a-c)*d/b,(a-c)/b/d,b*d/(a-c),b/(a-c)/d,d/(a-c)/b,a*c+b+d,a*c+b-d,a*c+d-b,a*c-b-d,a/c+b+d,a/c+b-d,a/c+d-b,a/c-b-d,b+c/a+d,b+c/a-d,b+d-c/a,b-c/a-d,a*b+c+d,a*b+c-d,a*b+d-c,a*b-c-d,a/b+c+d,a/b+c-d,a/b+d-c,a/b-c-d,b/a+c+d,b/a+c-d,b/a+d-c,b/a-c-d,(a+b)*c*d,(a+b)*c/d,(a+b)*d/c,(a+b)/c/d,c*d/(a+b),c/(a+b)/d,d/(a+b)/c,(a-b)*c*d,(a-b)*c/d,(a-b)*d/c,(a-b)/c/d,c*d/(a-b),c/(a-b)/d,d/(a-b)/c,(a+b)*(c+d),(a+b)/(c+d),(c+d)/(a+b),(a+b)*(c-d),(a+b)/(c-d),(c-d)/(a+b),(a-b)*(c+d),(a-b)/(c+d),(c+d)/(a-b),(a-b)*(c-d),(a-b)/(c-d),(c-d)/(a-b),a*b+c*d,a*b-c*d,a*b+c/d,a*b-c/d,a*b+d/c,a*b-d/c,a/b+c*d,a/b-c*d,a/b+c/d,a/b-c/d,a/b+d/c,a/b-d/c,b/a+c*d,b/a-c*d,b/a+c/d,b/a-c/d,b/a+d/c,b/a-d/c,a*c+b*d,a*c-b*d,a*c+b/d,a*c-b/d,a*c+d/b,a*c-d/b,a/c+b*d,a/c-b*d,a/c+b/d,a/c-b/d,a/c+d/b,a/c-d/b,b*d+c/a,b*d-c/a,b/d+c/a,b/d-c/a,c/a+d/b,c/a-d/b,(a+c)*(b+d),(a+c)/(b+d),(b+d)/(a+c),(a+c)*(b-d),(a+c)/(b-d),(b-d)/(a+c),(a-c)*(b+d),(a-c)/(b+d),(b+d)/(a-c),(a-c)*(b-d),(a-c)/(b-d),(b-d)/(a-c),(a+d)*(b+c),(a+d)/(b+c),(b+c)/(a+d),(a+d)*(b-c),(a+d)/(b-c),(b-c)/(a+d),(a-d)*(b+c),(a-d)/(b+c),(b+c)/(a-d),(a-d)*(b-c),(a-d)/(b-c),(b-c)/(a-d),a*d+b*c,a*d-b*c,a*d+b/c,a*d-b/c,a*d+c/b,a*d-c/b,a/d+b*c,a/d-b*c,a/d+b/c,a/d-b/c,a/d+c/b,a/d-c/b,b*c+d/a,b*c-d/a,b/c+d/a,b/c-d/a,c/b+d/a,c/b-d/a,a+b*c*d,a-b*c*d,a+b*c/d,a-b*c/d,a+b*d/c,a-b*d/c,a+b/c/d,a-b/c/d,a+c*d/b,a-c*d/b,a+c/b/d,a-c/b/d,a+d/b/c,a-d/b/c,(b+c+d)*a,(b+c+d)/a,a/(b+c+d),(b+c-d)*a,(b+c-d)/a,a/(b+c-d),(b+d-c)*a,(b+d-c)/a,a/(b+d-c),(b-c-d)*a,(b-c-d)/a,a/(b-c-d),(a+c+d)*b,(a+c+d)/b,b/(a+c+d),(a+c-d)*b,(a+c-d)/b,b/(a+c-d),(a+d-c)*b,(a+d-c)/b,b/(a+d-c),(a-c-d)*b,(a-c-d)/b,b/(a-c-d),a*c*d+b,a*c*d-b,a*c/d+b,a*c/d-b,a*d/c+b,a*d/c-b,a/c/d+b,a/c/d-b,b+c*d/a,b-c*d/a,b+c/a/d,b-c/a/d,b+d/a/c,b-d/a/c,a*b*d+c,a*b*d-c,a*b/d+c,a*b/d-c,a*d/b+c,a*d/b-c,a/b/d+c,a/b/d-c,b*d/a+c,b*d/a-c,b/a/d+c,b/a/d-c,c+d/a/b,c-d/a/b,(a+b+d)*c,(a+b+d)/c,c/(a+b+d),(a+b-d)*c,(a+b-d)/c,c/(a+b-d),(a+d-b)*c,(a+d-b)/c,c/(a+d-b),(a-b-d)*c,(a-b-d)/c,c/(a-b-d),(a+b+c)*d,(a+b+c)/d,d/(a+b+c),(a+b-c)*d,(a+b-c)/d,d/(a+b-c),(a+c-b)*d,(a+c-b)/d,d/(a+c-b),(a-b-c)*d,(a-b-c)/d,d/(a-b-c),a*b*c+d,a*b*c-d,a*b/c+d,a*b/c-d,a*c/b+d,a*c/b-d,a/b/c+d,a/b/c-d,b*c/a+d,b*c/a-d,b/a/c+d,b/a/c-d,c/a/b+d,c/a/b-d,(c+d)*b+a,(c+d)*b-a,(c+d)/b+a,(c+d)/b-a,a+b/(c+d),a-b/(c+d),(c-d)*b+a,(c-d)*b-a,(c-d)/b+a,(c-d)/b-a,a+b/(c-d),a-b/(c-d),(b+c*d)*a,(b+c*d)/a,a/(b+c*d),(b-c*d)*a,(b-c*d)/a,a/(b-c*d),(b+c/d)*a,(b+c/d)/a,a/(b+c/d),(b-c/d)*a,(b-c/d)/a,a/(b-c/d),(b+d/c)*a,(b+d/c)/a,a/(b+d/c),(b-d/c)*a,(b-d/c)/a,a/(b-d/c),(b*d+c)*a,(b*d+c)/a,a/(b*d+c),(b*d-c)*a,(b*d-c)/a,a/(b*d-c),(b/d+c)*a,(b/d+c)/a,a/(b/d+c),(b/d-c)*a,(b/d-c)/a,a/(b/d-c),(c+d/b)*a,(c+d/b)/a,a/(c+d/b),(c-d/b)*a,(c-d/b)/a,a/(c-d/b),(b+d)*c+a,(b+d)*c-a,(b+d)/c+a,(b+d)/c-a,a+c/(b+d),a-c/(b+d),(b-d)*c+a,(b-d)*c-a,(b-d)/c+a,(b-d)/c-a,a+c/(b-d),a-c/(b-d),(b+c)*d+a,(b+c)*d-a,(b+c)/d+a,(b+c)/d-a,a+d/(b+c),a-d/(b+c),(b-c)*d+a,(b-c)*d-a,(b-c)/d+a,(b-c)/d-a,a+d/(b-c),a-d/(b-c),(b*c+d)*a,(b*c+d)/a,a/(b*c+d),(b*c-d)*a,(b*c-d)/a,a/(b*c-d),(b/c+d)*a,(b/c+d)/a,a/(b/c+d),(b/c-d)*a,(b/c-d)/a,a/(b/c-d),(c/b+d)*a,(c/b+d)/a,a/(c/b+d),(c/b-d)*a,(c/b-d)/a,a/(c/b-d),(a+c*d)*b,(a+c*d)/b,b/(a+c*d),(a-c*d)*b,(a-c*d)/b,b/(a-c*d),(a+c/d)*b,(a+c/d)/b,b/(a+c/d),(a-c/d)*b,(a-c/d)/b,b/(a-c/d),(a+d/c)*b,(a+d/c)/b,b/(a+d/c),(a-d/c)*b,(a-d/c)/b,b/(a-d/c),(c+d)*a+b,(c+d)*a-b,(c+d)/a+b,(c+d)/a-b,a/(c+d)+b,a/(c+d)-b,(c-d)*a+b,(c-d)*a-b,(c-d)/a+b,(c-d)/a-b,a/(c-d)+b,a/(c-d)-b,(a+d)*c+b,(a+d)*c-b,(a+d)/c+b,(a+d)/c-b,b+c/(a+d),b-c/(a+d),(a-d)*c+b,(a-d)*c-b,(a-d)/c+b,(a-d)/c-b,b+c/(a-d),b-c/(a-d),(a*d+c)*b,(a*d+c)/b,b/(a*d+c),(a*d-c)*b,(a*d-c)/b,b/(a*d-c),(a/d+c)*b,(a/d+c)/b,b/(a/d+c),(a/d-c)*b,(a/d-c)/b,b/(a/d-c),(c+d/a)*b,(c+d/a)/b,b/(c+d/a),(c-d/a)*b,(c-d/a)/b,b/(c-d/a),(a*c+d)*b,(a*c+d)/b,b/(a*c+d),(a*c-d)*b,(a*c-d)/b,b/(a*c-d),(a/c+d)*b,(a/c+d)/b,b/(a/c+d),(a/c-d)*b,(a/c-d)/b,b/(a/c-d),(c/a+d)*b,(c/a+d)/b,b/(c/a+d),(c/a-d)*b,(c/a-d)/b,b/(c/a-d),(a+c)*d+b,(a+c)*d-b,(a+c)/d+b,(a+c)/d-b,b+d/(a+c),b-d/(a+c),(a-c)*d+b,(a-c)*d-b,(a-c)/d+b,(a-c)/d-b,b+d/(a-c),b-d/(a-c),(b+d)*a+c,(b+d)*a-c,(b+d)/a+c,(b+d)/a-c,a/(b+d)+c,a/(b+d)-c,(b-d)*a+c,(b-d)*a-c,(b-d)/a+c,(b-d)/a-c,a/(b-d)+c,a/(b-d)-c,(a+b*d)*c,(a+b*d)/c,c/(a+b*d),(a-b*d)*c,(a-b*d)/c,c/(a-b*d),(a+b/d)*c,(a+b/d)/c,c/(a+b/d),(a-b/d)*c,(a-b/d)/c,c/(a-b/d),(a+d/b)*c,(a+d/b)/c,c/(a+d/b),(a-d/b)*c,(a-d/b)/c,c/(a-d/b),(a*d+b)*c,(a*d+b)/c,c/(a*d+b),(a*d-b)*c,(a*d-b)/c,c/(a*d-b),(a/d+b)*c,(a/d+b)/c,c/(a/d+b),(a/d-b)*c,(a/d-b)/c,c/(a/d-b),(b+d/a)*c,(b+d/a)/c,c/(b+d/a),(b-d/a)*c,(b-d/a)/c,c/(b-d/a),(a+d)*b+c,(a+d)*b-c,(a+d)/b+c,(a+d)/b-c,b/(a+d)+c,b/(a+d)-c,(a-d)*b+c,(a-d)*b-c,(a-d)/b+c,(a-d)/b-c,b/(a-d)+c,b/(a-d)-c,(a+b)*d+c,(a+b)*d-c,(a+b)/d+c,(a+b)/d-c,c+d/(a+b),c-d/(a+b),(a-b)*d+c,(a-b)*d-c,(a-b)/d+c,(a-b)/d-c,c+d/(a-b),c-d/(a-b),(a*b+d)*c,(a*b+d)/c,c/(a*b+d),(a*b-d)*c,(a*b-d)/c,c/(a*b-d),(a/b+d)*c,(a/b+d)/c,c/(a/b+d),(a/b-d)*c,(a/b-d)/c,c/(a/b-d),(b/a+d)*c,(b/a+d)/c,c/(b/a+d),(b/a-d)*c,(b/a-d)/c,c/(b/a-d),(a+b*c)*d,(a+b*c)/d,d/(a+b*c),(a-b*c)*d,(a-b*c)/d,d/(a-b*c),(a+b/c)*d,(a+b/c)/d,d/(a+b/c),(a-b/c)*d,(a-b/c)/d,d/(a-b/c),(a+c/b)*d,(a+c/b)/d,d/(a+c/b),(a-c/b)*d,(a-c/b)/d,d/(a-c/b),(b+c)*a+d,(b+c)*a-d,(b+c)/a+d,(b+c)/a-d,a/(b+c)+d,a/(b+c)-d,(b-c)*a+d,(b-c)*a-d,(b-c)/a+d,(b-c)/a-d,a/(b-c)+d,a/(b-c)-d,(a+c)*b+d,(a+c)*b-d,(a+c)/b+d,(a+c)/b-d,b/(a+c)+d,b/(a+c)-d,(a-c)*b+d,(a-c)*b-d,(a-c)/b+d,(a-c)/b-d,b/(a-c)+d,b/(a-c)-d,(a*c+b)*d,(a*c+b)/d,d/(a*c+b),(a*c-b)*d,(a*c-b)/d,d/(a*c-b),(a/c+b)*d,(a/c+b)/d,d/(a/c+b),(a/c-b)*d,(a/c-b)/d,d/(a/c-b),(b+c/a)*d,(b+c/a)/d,d/(b+c/a),(b-c/a)*d,(b-c/a)/d,d/(b-c/a),(a*b+c)*d,(a*b+c)/d,d/(a*b+c),(a*b-c)*d,(a*b-c)/d,d/(a*b-c),(a/b+c)*d,(a/b+c)/d,d/(a/b+c),(a/b-c)*d,(a/b-c)/d,d/(a/b-c),(b/a+c)*d,(b/a+c)/d,d/(b/a+c),(b/a-c)*d,(b/a-c)/d,d/(b/a-c),(a+b)*c+d,(a+b)*c-d,(a+b)/c+d,(a+b)/c-d,c/(a+b)+d,c/(a+b)-d,(a-b)*c+d,(a-b)*c-d,(a-b)/c+d,(a-b)/c-d,c/(a-b)+d,c/(a-b)-d";

//example
var a=1,b=1,c=5,d=8,aim=10;
var x,B=A.split(",");
for(i=0;x=B[i];i++)if(eval(x)==10)alert(x); // d/(a-(b/c))