# 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 i,count;
	int j=0;
	count=-1;
	for(i=0;s[i]!='\0';i++){
	count=count+1;	
	}
	for(i=count;i<0;i--){
		t[j]=s[i];
		j++;
		if(t[j]==s[i]){
		}
		else{
			return 0;
		}
	}
	return 1;
}
 
//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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