```cpp
#include<iostream>
#include<set>
using namespace std;
class P
{
public:
	int num;
	int t;
};
int main()
{
	P  c[41]={0};
	int a[10]={0};
	int num=1;
	for (int i = 0; i < 41; i++)
	{
		c[i].num = i+1;
		//cout << c[i].num<<c[i].t<<" ";
	}
	for (int i = 0; i < 10; i++)
	{
		cin >> a[i];
		for (int j = 0; j < 41; j++)
		{
			if (a[i]%42 == c[j].num)
			{
				c[j].t = 1;
			}
		}
	}
	for (int i = 0; i < 41; i++)
	{
		//cout << c[i].num << c[i].t << " ";
		if (c[i].t == 1)
		{
			num++;
		}
	}
	cout << num;
}