#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#include<stack>
#include<queue>
#include<list>
#include<bitset>
#include<functional>

#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007
#define INF 1000000000
#define PI 3.14159265358979

using namespace std;
typedef pair<int, int> P;

int main(void) {
	long long int  x, y;
	long long int  result;

	cin >> x >> y;
	
	for (double i = 0; i <= 1e6; i+=0.5) {
		if (i*i == x*x + y*y) {
			result = i * 2 + 1;
			break;
		}
		else if (i*i > x*x + y*y) {
			result = i * 2;
			break;
		}
	}

	cout << result << endl;

	

	
	return 0;
}