# include <stdio.h>
 
int isPalindrome(char s[]){
	int i,count=0,temp;
	for(i=0;s[i]!='\0';i++){
	count++;}//文字数カウント
	char a[count];
	for(int i=0;i<count;i++){
		a[count -1-i]=s[i];}//反対にする
	for(int i=0;s[i]==a[i];i++){
	if(s[i]=='\0') return 1;}
	return 0;
}
 
	//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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