#include <stdio.h>

int main()
{
  int n, i, val, h;

  printf ("How Many Values to Enter? ");
  scanf ("%u", &n);

  printf ("Enter %u Values: ", n);
  for ( i=0; i<n; ++i ) {
    scanf("%d", &val);

    // ignore negative values
    if ( val < 0 ) continue;

    // print the title for the first time only
    if ( i == 0 ) printf ("The Histogram (ignoring negative values):\n");

    // draw the histogram
    printf ("%2d |", val);
    for ( h=0; h<val; ++h) {
      printf ("H");
    }
    printf ("\n");
  }

  return 0;
}