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

int main() {
	int r1, r2, L;
	cin >> r1 >> r2 >> L;
	if(L == 0 && r1 == r2)
		cout << "vse tochki obhie" << endl;
	else {
		if (r1 + r2 == L)
			cout << "oni imeut 1 obhyu  tochku" << endl;
		else {
			if (r1 + r2 < L)
				cout << "oni imeut 0 obhih  tochek" << endl;
			else
				cout << "oni imeut 2 obhih  tochek" << endl;
		}
		if (L == 0 && r1 != r2)
			cout << "oni imeut 0 obhih  tochek" << endl;
	}
	system("pause");
	return 0;
}