#include <iostream>
#include <cmath>
using namespace std;

int main(void){
//input
	int xp,yp; cin >> xp >> yp;
//calc
	double rad;
	rad = sqrt((abs(xp) * abs(xp))+(abs(yp) * abs(yp)));
//output
	cout << (int)rad + 1 << endl;
}