#include <stdio.h>
#include <math.h>

int main(void){
    int x, y;
    double r;
    scanf("%d %d", &x, &y);
    r = ceil(sqrt(x*x + y*y) * 2);
    if(ceil(sqrt(x*x + y*y))==floor(sqrt(x*x + y*y))){
    	printf("%d\n", ((int)r) + 1);
	}else{
    	printf("%d\n", (int)r);
    }
    return 0;
}