#include <iostream>
using namespace std;
const int MAX_SIZE = 100;
int strcmpf(char firstText[], char secondText[]) {
int i = 0;
while (firstText[i] - secondText[i] == 0 && firstText[i]) {
++i;
}
return firstText[i] - secondText[i];
}
int main() {
char firstText[MAX_SIZE + 1], secondText[MAX_SIZE + 1];
cin >> firstText >> secondText;
cout << strcmpf(firstText, secondText);
return 0;
}
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