#include<cstdio>
#include<cmath>
#define rep(i,a) for(int i=0;i<(a);++i)

int main()
{
	int x, y;
	scanf( "%d%d", &x, &y );

	printf( "%d\n", (int)floor(2*sqrt(x*x+y*y))+1 );

	return 0;
}