# include <stdio.h>

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