# include <stdio.h>

int isPalindrome(char s[]){
	int len = 0;
    int i;
    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;
}