import java.util.*;

public class A {
	public static void main(String[] args) {
		int thenumbers;
		String theletters;
		Scanner input = new Scanner(System.in);
		String temp = input.next();
		theletters = temp.replaceAll("\\d","");
		thenumbers = temp.length() - theletters.length();
		System.out.println("Letters: "+theletters.length()+"\nNumbers: "+thenumbers);
	}


}