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

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

  //clock_t start = clock(); // start clock
  const int SIZE = 256;
  long int array[SIZE];
  char c; // current character ascii value

  /* zero rvalues in array*/
  for (int j = 0; j < SIZE; j++) {
    array[j] = 0;
  }

  /* go through each char in file and add 1 in right box */
  while ((c = getchar()) != EOF) {
    array[c]++;
  }

  /* print character counts */
  for (int i = 0; i < SIZE; i++) {
    if (array[i] != 0) {
      if isprint(i)
        printf("%3d\t%1c  %-d\n", i, i, array[i]);
      else
        printf("%3d\t%s  %-d\n", i, " ", array[i]);
    }
  }
  //printf("Time elapsed: %f seconds\n", 
  //  ((double)clock() - start) / CLOCKS_PER_SEC);
    
  return 0;
}