
#include "bits/stdc++.h"
#define rep(i,n) for(int i=0;i<(n);++i)
#define reps(i,cc,n) for(int i=cc;i<(n);++i)
#define dreps(i,cc,n) for(int i=cc;i>(n);--i)
#define llreps(i,cc,n) for(long long i=cc;i<(n);++i)
#define ALL(v) begin(v),end(v)
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

int main()
{
	int a,b,c;
	cin >> a >> b >> c;
	if (a*a + b * b < c*c)
	{
		cout << "Yes" << endl;
		return 0;
	}
	cout << "No" << endl;
	return 0;
}
#include <iostream>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b>>c;
	if (a==b){
		cout<<c;
		return 0;
	}
	
	if (a==c){
		cout<<b;
		return 0;
	}
	if (c==b){
		cout<<a;
		return 0;
	}
	cout<<0;
}
