#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
    char znak;
    int il_a=0,il_b=0,il_c=0,il_poz=0;
    while(znak!='.')
    {
          cin >> znak;
          switch(znak)
          {
                case 'a':
                il_a++;
                break;
                case 'b':
                il_b++;
                break;
                case 'c':
                il_c++;
                break;
                default:
                il_poz++;
          }  
    }
    cout << "Ilosc wystapien litery a :" << il_a << endl;
    cout << "Ilosc wystapien litery b :" << il_b << endl;
    cout << "Ilosc wystapien litery c :" << il_c << endl;
    cout << "Ilosc wystapien liter pozostalych :" << il_poz << endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}