# include <stdio.h>

int isPalindrome(char s[]){
	char *a=s;
	if(*a!='\0'){
		a++;
	}
	a=a-1;
	char *b=s;
	while(b<a){
		if(*b!=*a){
			return 0;
		}
		a=a-1;
		b=b+1;
	}
	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;
}