/* lab4.c */

#include <stdio.h>

char make_upper(char);
char make_lower(char);
char swap_case(char);

char make_upper(char c)
{



}

char make_lower(char c)
{



}

char swap_case(char c)
{





   return(c);
}



int main(void)
{
  char c;
  char cl;
  char cu;
  char cs;

  int  count;

  count = fscanf(stdin, "%c", &c);
  cu = make_upper(c);
  cl = make_lower(c);
  cs = swap_case(c);
  fprintf(stdout, "%c - %c %c %c \n", c, cu, cl, cs);
}