#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <cstring>

typedef long long ll;
using namespace std;

#define mod 1000000009
#define INF 10000000
#define LLINF 2000000000000000000LL

#define SIZE 101


int main(){
    int x,y;
    
    scanf("%d%d",&x,&y);
    
    printf("%d\n",(int)(1+2*(sqrt((double)(x*x+y*y)))));
    return 0;
}