# 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 ss[100];
	static int x;
	int i;
 
	for(x=0; s[x]!='\0'; x++)
	;
	int y = x;
	for(i=0; i<=x-1; i++){
		ss[i] = s[y-1];
		y--;
	}
	ss[i] = '\0';
 
	int j;
	for(j=0;s[j]==ss[j];j++){
        if(s[j]=='\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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