# include <stdio.h>

int isPalindrome(char s[]){
	int a,count;
	for(a=0; s[a]!='\0'; a++){
		count = a;
	}
	
	int i;
	for(i=0; i<=count/2; i++){
		if(s[i] != s[count-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;
}