#include<stdio.h>
char C[101];
int n, q, l, r;
int main(void)
{
    int times;
    char fin[100], fout[100];
    for( times = 1 ; times <= 25 ; times++ )
    {
        sprintf(fin,".%d.in", times);
        sprintf(fout,".%d.out", times);
        freopen(fin,"r",stdin);
        freopen(fout,"w",stdout);
        float r,h;
        scanf("%f%f",&r,&h);
        int d=h/r+0.5;
        printf("%d\n", (int)((h/r+1-d)*1.154701)+d*2);
    }
}