#include <stdio.h>

int isPalindrome(char s[]){
    int left = 0;
    int right = 0;


    while(s[right] != '\0'){
        right++;
    }
    right--;

    // 左右から比較
    while(left < right){
        if(s[left] != s[right]){
            return 0;
        }
        left++;
        right--;
    }

    return 1;
}

int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}