#include<stdio.h>

int main(void){
	int x,y,p,t,min = 0,max = 30000;
	scanf("%d%d",&x,&y);
	while(1){
		p = (min+max)/2;
		t = x*x*4+y*y*4;
		if(t >= p*p && (p+1)*(p+1) > t){p++;break;}
		if(t >= p*p){min = p;continue;}
		if(t < (p+1)*(p+1)){max = p;continue;}
		p++;
	}
	printf("%d\n",p);
	return 0;
}