#include <iostream>
#include <vector>
using namespace std;
//変数デバッグ
#define DEB(variable) cout << #variable << "=" << variable << endl

//for簡易表記(引数ミス防止)
#define INFOR(inc, a, b) for (int inc = (a); (inc) < (b); (inc)++) //incをaにし、b-a回(iがb未満の間)処理を行う
#define DEFOR(inc, a, b) for ((inc) = (a); (inc) > (b); (inc)--)   //incをaにし、a-b回(iがbより大きい間)処理を行う

int main()
{

	vector<int> v(5);

	int output = 0;
	INFOR(i, 0, 5)
	{
		cin >> v[i];
	}

	INFOR(i, 0, 5){
		if ((v[i] % 3 )&&( v[i] % 5)){
			while (v[i])
			{
				output++;
				v[i]=v[i] / 10;
			}
			continue;
		}

		if (!(v[i] % 3))
		{

			output += 4;
		}

		if (!(v[i] % 5))
		{

			output += 4;
		}
		
	}
	
	cout << output << endl;

	return 0;
}