# include <stdio.h>

int isPalindrome(char s[]){
	int l;
	int i;
	while(s[l] != '\0'){
		l++;
	}

	for (i=0 ; i < l/2 ; i++){
		if(s[i] != s[l-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;
}