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