#include <stdio.h>
#include <string.h> // strlen を使うために必要
 
int isPalindrome(char s[]) {
    int i, j;
 
    // 文字列の長さを取得
    j = strlen(s) - 1;
 
    // 回文チェック
    for (i = 0; i <= j / 2; i++) {
        if (s[i] != s[j - i]) {
            return 0; // 回文でない
        }
    }
 
    return 1; // 回文である
}
 
int main() {
    char s[100];
    scanf("%s", s);
    printf("%s -> %d\n", s, isPalindrome(s));
    return 0;
}
 

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