    #include <iostream>
    using namespace std;
     
    int main() {
    int a,b,c,x=a*a,y=b*b,z=c*c;
    cin>>a>>b>>c;
     
     
    if(x+y==z||x+z==y||y+z==x) {cout<<"YES";}
    else{cout<<"NO";}	
     
    // your code goes here
    	return 0;
    }