题目1098：字母统计

import java.util.Scanner;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.FileReader;
import java.io.File;

class Main
{	
	private final static boolean DEBUG = false;
	
	public static void main(String[] args) throws IOException {	
		BufferedReader cin;
		String s;
		
		if (DEBUG) {
			cin = new BufferedReader(new FileReader("d:\\OJ\\uva_in.txt"));
		} else {
			cin = new BufferedReader(new InputStreamReader(System.in));
		}
		
		while ((s = cin.readLine()) != null) {
			int cnt[] = new int[26];
			for (int i = 0; i < s.length(); i++) {
				if (Character.isLetter(s.charAt(i)) && Character.isUpperCase(s.charAt(i))) {
					cnt[s.charAt(i) - 'A']++;
				}
			}
			
			for (int i = 0; i < 26; i++) {
				System.out.print((char)('A' + i));
				System.out.println(":" + cnt[i]);
			}
		}
	}
}