Untitled

//дз 2.
#include <iostream>
using namespace std;
int main()
{
	int a, b, c;
	int pr = 0;
	int vir = 0;
	while (true)
	{
		cin >> a >> b >> c;
		if (a == 0 && b == 0 && c == 0)
		{
			cout << "vsyo\n";
			if (vir > pr)
			{
				cout << "Pobedili neobichniye.";
			}
			else if (pr > vir)
			{
				cout << "Pobedili obichniye.";
			}
			else
			{
				cout << "Pobedila dryzhba.";
			}
			return 0;
		}
		if (a == b + c || b == c + a || c == b + a)
		{
			cout << "yes\n";
			vir = vir + a + b + c;
		}
		else
		{
			cout << "no\n";
			pr = pr + a + b + c;
		}
	}
}