# include <stdio.h>

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