#include <stdio.h>
#include <math.h>
int main(void){
	int xp,yp;
	int r;
	double L;
	
	scanf("%d %d",&xp,&yp);
	
	L = sqrt(xp*xp + yp*yp);
	r = (int)2*L ;
	if(2*L >= r){
		r++;
	}
	printf("%d\n",(int)r/1);
/*	if(L % 1 > 0){
		r++;
	}
*/
/*	if(L > r){
		r++;
		printf("%d\n",2*r);
	}else if(L == r){
		printf("%d\n",2*r+1);
	}
*/
	return 0;
}