#include <stdio.h>
#include <conio.h>

void main()
{
  FILE *f1, *f2;
  f1 = fopen("fractii.in", "r");
  f2 = fopen("fractii.out", "w");
  unsigned short int n, i, j, k = 0;
  /* fscanf(f1, "%d", &n);
  for (i=1;i<=n;i++)
    for (j=1;j<=n;j++)
    if (i/j*j == i) fprintf(f2, "%d/%d\n", i,j);
  fprintf(f2, "%d", 1/3*3);
  */
  printf("%f", 1/3);
  getch();
  scanf("%d", &n);
  //fclose(f1); fclose(f2);
}