# include <stdio.h>

int isPalindrome(char s[]){
    int i;
    int len = 0;
    while(s[len] != '\0'){
        len++;
    }

    for(i = 0; i < len; i++){
        if(s[i] != s[len - 1 - i]){
            return 0;
        }
    }

    return 1;
}


//メイン関数は書き換えなくてよいです
int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}