#include<iostream>
#include<stdio.h>
#include<vector>
#include<algorithm>
#include<math.h>

using namespace std;

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

    double r = sqrt(x*x+y*y);
    printf("%d\n", (int)floor(2*r+1));

    return 0;
}