/* upccount.c - isojen kirjainten lukumaara */
#include <stdio.h>
#include <ctype.h>

main()
{
  int c, i, letter[26];

  for (i = 0; i < 26; ++i) {
    letter[i] = 0;
  }
  while ( (c = getchar()) != EOF ) {
    if (isupper(c)) {
      ++letter[c-'A'];
    }
  }
  for (i = 0; i < 26; ++i) {
    if (i % 6 == 0) {
      printf("\n");
    }
    printf("%5c:%4d", 'A' + i, letter[i]);
  }
  printf("\n");
}