#include <bits/stdc++.h>
using namespace std;
int main() {
  string s1, s2;
  cin >> s1;
  cin >> s2;
  transform(s1.begin(), s1.end(), s1.begin(), ::tolower);
  transform(s2.begin(), s2.end(), s2.begin(), ::tolower);
  cout << s1.compare(s2);
}
