# include <stdio.h>

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

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

	while(i < len / 2){
		if(s[i] != s[len - i - 1]){
			return 0;
		}
		i++;
	}

	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;
}