# include <stdio.h>
 
int isPalindrome(char s[]){
 
int wordNum = 0;
char p[100];
 
while(s[wordNum]!='\0')
{
	wordNum++;
}
 
for(int i = 0; i < wordNum; i++)
{
	p[i] = s[wordNum - i - 1];
}
p[wordNum] ='\0';
//printf("%s, %s\n", s, p);
 
for(int n = 0; s[n] == p[n]; n++)
{
	if(s[n] == '\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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