#include <stdio.h>

int main()
{
	const int AMOUNT = 100;
	int price = 0;

	printf("ÇëÊäÈë½ð¶î£¨Ôª£©£º");
	scanf("%d", &price);

	int change = AMOUNT - price;

	printf("ÕÒÄú%dÔª¡£\n", change);

	return 0;
}