# include <stdio.h>

int isPalindrome(char s[]){
	int size;
	for(size=0;s[size]!='\0';size++);
	
	size--;
	
	for(int i=0;s[i]==s[size-i];i++){
		if(size<=i) return 1;
	}
	return 0;
}

int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}