#include<stdio.h>



int main()
{
    char password1[20] = {0};
    char password2[20] = {0};
    scanf("%s %s", password1, password2);
    if (strcmp (password1, password2) == 0)
    {
        printf("same\n");
    }
    else
    {
        printf("different\n");
    }
    return 0;
}