#include<stdio.h>
int main()
{
    int n,b;
    float a,t;
    scanf("%f %d",&t,&n);
    b=(int)((t/n+0.5)*1000);
    a=(float)(b)/1000;
    n=n*2;
    printf("%.3f\n%d\n",a,n);
    return 0;
}