나머지

#include <iostream>
using namespace std;

int main()
{
	int arr[10];
	int cnt = 0, k = 0;

	for (int i = 0; i < 10; i++)
	{
		cin >> arr[i];
		arr[i] = arr[i] % 42;
	}

	for (int j = 0; j < 42; j++)
	{
		for (k = 0; k < 10; k++)
		{
			if (arr[k] == j)
			{
				cnt++;
				k = 10;
			}
			
		}
	}

	cout << cnt << '\n';
	return 0;
}