#include<iostream>
using namespace std;

int strcmp (char* s, char* p )
{
     
     while (*s == *p)
     {
          if (*s == '\0' )
              return 0;
          s++;
          p++;
     }//end while
     
     return (*s - *p);
}//end strcmp

int main()
{
    char s[30];
    char p[30];
  
 
    cin.getline(s, 29, '\n');
    cin.getline(p, 29, '\n');
    cout  << strcmp(s,p )<<endl;

    system("pause");
    return 0;
}