#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main()
{
	int x, y, a, sum = 0;
	cin >> x >> y;
	if (x > y)
		a = x;
	if (x <= y)
		a = y;

	if (x >= 1 && y >= 1)
	{
		for (int i = 0; i < a; i++)
		{
			sum += 90;
			x--;
			y--;
		}
		sum += x * 60 + y * 40;

	}
	else
		sum = x * 60 + y * 40;
	cout << sum;




	system("pause");
	return 0;
}