# include <stdio.h>
 
int isPalindrome(char s[]){
	int i;
	int j;
	s[j]='\0';
	for(j = 0; s[j] != '\0'; j++);
    j--;
    for(i = 0; i < j; i++, j--){
        if(s[i] != s[j]){
            return 0;
        }
 
    }
    return 1;
	//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
}
 
//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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