#include <cs50.h>
#include <stdio.h>

int main (void)

{
	int numbers[] = {20, 500, 10, 5, 100, 1, 50};

	int n = get_int("Number: ");
	for (int i = 0; i < 7; i++)
	{ 
		if (numbers[i] == n)
		{
			printf("Found\n");
			return 0;
		}
	}	
	printf("Not found\n");
	return 1;
}