# include <stdio.h>
 
int isPalindrome(char s[]){
 
	int i,j,k;
	for(i=0;i<=100;i++){
		if(s[i]=='\0') {
		j=i-1;
		break;
		}
	}
 
	for(k=0;k<=j/2;k++){
		if(s[k]!=s[j-k]) return 0;
	}
	return 1;
 
	//回文になっているとき１を返す
	//回文になっていないとき０を返す
}
 
//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;
}
 

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