#include <stdio.h>
int main()
{
  int  k;
  float summa;

  summa = 0.0;
  for(k = 1; k <= 1000000; k++)
    summa += 1.0f / (float) k;

  (void) printf("1 + 1/2 + ... + 1/1000000 = %9.6f\n", summa);

  summa = 0.0;
  for(k = 1000000; k >= 1; k--)
    summa += 1.0f / (float) k;

  (void) printf("1/1000000 + ... + 1/2 + 1 = %9.6f\n", summa);

  return 0;
}