# 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 k=0;
	for(int i=0; s[i]!='\0'; i++){
		k++;
	}
 
int len = k;
 
	for(int i=0; i<=len-1; i++){
		t[i] = s[k-1];
		k--;
	}
t[len] = '\0';
 
 
	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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