1 #include<iostream> 2 #include<cstdio> 3 #include<cmath> 4 using namespace std; 5 int main() 6 { 7 double a; 8 double b; 9 scanf("%lf%lf",&a,&b); 10 if(abs(a-b)<0.000000001)cout<<"yes"; 11 else cout<<"no"; 12 return 0; 13 }