#include <stdio.h>
#include <ctype.h>

int main(void)
{
   char *c = "abcde";
   char d[6];
   for (int i = 0; i < sizeof(c); i++) {
      d[i] = toupper(c[i]);
   }
   printf("%s %s\n", c, d);
   return 0;
}