# include <stdio.h>
 
int isPalindrome(char s[]){
	//関数の中だけを書き換えてください
	//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
    char t[100];
    int count=0;
    for(int i=0;s[i]!='\0';i++){
        count++;
    }
    int num=count;
    for(int i=0;i!=num;i++){
        count--;
        t[count]=s[i];
    }
    for(int i=0;s[i]==t[i];i++){
        if(s[i]=='\0'){
            return 1;
        }
    }
    return 0;   
}
 
//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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