Problem:
Counting Characters

Write a program which counts and reports the number of each alphabetical letter. Ignore the case of characters.

Input

A sentence in English is given in several lines.

Output

Prints the number of alphabetical letters in the following format:

a : The number of 'a'
b : The number of 'b'
c : The number of 'c'
.
.
z : The number of 'z'

Constraints

The number of characters in the sentence < 1200

Sample Input

This is a pen.

Sample Output

a : 1
b : 0
c : 0
d : 0
e : 1
f : 0
g : 0
h : 1
i : 2
j : 0
k : 0
l : 0
m : 0
n : 1
o : 0
p : 1
q : 0
r : 0
s : 2
t : 1
u : 0
v : 0
w : 0
x : 0
y : 0
z : 0

Solution in JAVA (judge verdict: WA: Presentation Error)

import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String Sts = sc.nextLine();
        int l = Sts.length();
        int i,j;
        for(i=0;i<'Z'-'A'+1;i++){
            int count = 0;
            for(j=0;j<l;j++){
                if(Sts.charAt(j) == 'a'+i || Sts.charAt(j) == 'A'+i) count++;
            }
            System.out.printf("%c: %d\n", i+'a',count);
        }
    }
}