#include <iostream>
#include <string>
using namespace std;

int main() {
	string s1 = "allo";
	string s2 = "allo";
	string s3 = "allo toi";
	
	cout << s1.compare(s2) << endl;
	cout << s1.compare(s3,0,4) << endl;
	return 0;
}