#include <stdio.h>
#include <math.h>
int main(void){

  int Xp,Yp;
  double h;

  scanf("%d",&Xp);
  scanf("%d",&Yp);

  h=sqrt(Xp*Xp+Yp*Yp);
  h=2*h+1;

  printf("%d\n",(int)h);

return 0;
}