# include <stdio.h>

int isPalindrome(char s[]){
	int len = 0;
	while(s[len] != '\0') len++;
	int end = len - 1;
	
	for (int i = 0; i < len/2; i++){
		if (s[i] != s[end - 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;
}