#include <bits/stdc++.h>
using namespace std;
int main() {
	int64_t a,b,c;
	cin>>a>>b>>c;
	int m=b+c-a;
	for(int i=1;i<(m-1);i++){
		for(int j=1;j<(m-i);j++){
			int64_t n=a+i+j;
			int64_t cosc=(c*c+n*n-b*b);
			int64_t y=2*c*n*(c*c+(a+j)*(a+j))-2*c*(a+j)*cosc;
			int64_t x=2*c*n*(c*c+j*j)-2*c*j*cosc;
			int64_t s=j*b*j*b*y;
			int64_t t=i*i*c*c*x;
			if(s==t){
				cout<<"Yes"<<endl;
				return 0;
			}
		}
	}
	cout<<"No"<<endl;
	return 0;
	
}