#include <iostream>
#include <cctype>
int main()
{
	char input , last;
	int letters = 0 , numbers = 0 , characters = 0 , repeats = 0;
	
	while( std::cin >> input && repeats != 3 )
	{
    	++characters;
    	if( isalpha(input) ) ++letters; 
	 	if( isdigit(input) )  ++numbers;
	 	
    	if( characters == 1 ) //First time so you have to set initial value for last char
    	    last = input;
    	    
	 	if( last == input )
    	    ++repeats;
	  	else
    	    repeats = 1;
	}
	
	std::cout << "Characters: " << characters << std::endl;
	std::cout << "Letters: " << letters << std::endl;
	std::cout << "Numbers: " << numbers << std::endl;
	
	return 0;
}