#include <bits/stdc++.h>
using namespace std;
int main()
{
  long long a,b,c;
  cin>>a>>b>>c;
  if(a*a==b*b+c*c||b*b==a*a+c*c||c*c==b*b+a*a)
  {
      cout<<"YES";
  }
  else
  {
      cout<<"NO";
  }
  // sonphung411
}

//tphatttt

#include <iostream>
#define int long long
using namespace std;

bool tgv(int a, int b, int c){
    if (a*a == b*b + c*c) return true;
    else return false;
}
signed main() {
    int a, b, c;
    cin >> a;
    cin >> b;
    cin >> c;
    if (tgv(a,b,c) or tgv(b,a,c) or tgv(c,a,b)) cout << "YES";
    else cout << "NO";
    return 0;
}