#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
using namespace std;



int main()
{
    int x, y;
    cin >> x >> y;

    int n = 1;
    while(n * n <= (x * x + y * y) * 4)
        ++ n;
    cout << n << endl;

    return 0;
}