#include <iostream>
#include <cstdlib>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <deque>

int main()
{
    int x, y;
    std::cin >> x >> y;
    int a = (int)(2.0 * std::sqrt(x * x + y * y)) + 1;
    std::cout << a << std::endl;
    return 0;
}