# include <stdio.h>

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