#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <cmath>
#include <cctype>

using namespace std;

string normalise(const string s)
{ string result = "";
  int i = 0, len = s.length();
  while (i < len)
  { char c = s[i];
    if (islower(c) || isdigit(c))
      result = result + c;
    else if (isupper(c))
      result = result + (char)(c + 'a' - 'A');    // could be (char)tolower(c)
    i = i + 1; }
  return result; }

int find(string wanted, string arr[], int size)
{ int i = 0;
  while (i < size)
  { if (arr[i] == wanted)
      return i;
    i = i + 1; }
  return -1; }

int main()
{ string word[48000];
  int count[48000];
  int i = 0;
  while (i < 48000)
  { word[i] = "";
    count[i] = 0;
    i = i + 1; }
  int numword = 0;

  ifstream in;
  in.open("/home/www/text/barrie/peterpan");
  if (in.fail())
  { cout << "Can't open\n";
    exit(1); }

  while (true)
  { string w;
    in >> w;
    if (in.fail())
      break;
    w = normalise(w);
    if (w == "")
      continue;
    int pos = find(w, word, numword);
    if (pos >= 0)
      count[pos] = count[pos] + 1;
    else
    { word[numword] = w;
      count[numword] = 1;
      numword = numword + 1; } }
    
  in.close();
  i = 0;
  while (i < numword)
  { cout << word[i] << ": " << count[i] << "\n";
    i = i + 1; }

  string popularword = "";
  int biggestcount = -1;
  i = 0;
  while (i < numword)
  { if (count[i] > biggestcount)
    { biggestcount = count[i];
      popularword = word[i]; }
    i = i + 1; } 

  cout << popularword << " appeared " << biggestcount << " times\n"; }