#include <stdio.h>
main()
{
  float sky=600.,y=0;
  float a=0.,b[4][2]={ 200., 1001., 300.,1500., 400.,2000., 600.,3000. };
  int i;
  for(i=0;i<4;i++){
    a=sky*(y*a+b[i][1])/(y*sky+b[i][0]);
    y+=b[i][0]/sky;
  }
  printf("%f %f\n",a,y);
  a=0.;  y=0.;
  for(i=3;i>=0;i--){
    a=sky*(y*a+b[i][1])/(y*sky+b[i][0]);
    y+=b[i][0]/sky;
  }
  printf("%f %f\n",a,y);
}