# include <stdio.h>
 
int isPalindrome(char s[]){
	int i;
	for (i=0; s[i]!='\0'; i++)
	;
 
	for (int j=0; j<i/2; j++)
	{
		if (s[j]!=s[i-1-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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