/* Problem 3--Invisible Ink
   This was a straightforward conversion problem. */

#include <stdio.h>
#include <stdlib.h>

int main (int argc, char **argv);

int main (int argc, char **argv) {

  FILE *in, *out;
  int c, i;

 in = fopen ("prob3.in","r");
 out = fopen ("prob3.out","w");
 while ((c=fgetc (in))!=EOF) {
  switch (c) { /* Evaluate and convert */
   case ' ': fprintf (out,"\n");break;
   case '\n': fprintf (out,"\n\n");break;
   default:
    for (i='A'; i<= c; i++) fprintf (out," ");
    fprintf (out,"\n");
  }
 }
 fclose (in);
 fclose (out);
 return EXIT_SUCCESS;
}