# include <stdio.h>

int isPalindrome(char s[]){
    int i,len = 0;
    while(s[len] != '\0'){
        len++;
    }
    for(i = 0; i < len / 2; 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;
}