#include <stdio.h>
#include <string.h>

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

    return 0;
}