import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    }
}
 import java.util.ArrayDeque; ArrayDeque java.util import java.util.ArrayList; ArrayList java.util import java.util.Comparator; Comparator java.util import java.util.HashMap; HashMap java.util import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    } main {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String text = ""; text "" HashMap<Character, Integer> map = new HashMap<Character, Integer>(); map new HashMap<Character, Integer>() for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        } char i = 97; char i = 97; i 97 i < 123 i 123 i++ i++ i {
            map.put(i, 0);
        } {
            map.put(i, 0);
        } map.put(i, 0) map.put map i 0 while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        } scanner.hasNextLine() scanner.hasNextLine scanner {
            text += scanner.nextLine().toLowerCase();
        } text += scanner.nextLine().toLowerCase() text scanner.nextLine().toLowerCase() scanner.nextLine().toLowerCase scanner.nextLine() scanner.nextLine scanner for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        } int i = 0; int i = 0; i 0 i < text.length() i text.length() text.length text i++ i++ i {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        } {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        } map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1) map.put map text.charAt(i) text.charAt text i map.getOrDefault(text.charAt(i), 0) + 1 map.getOrDefault(text.charAt(i), 0) map.getOrDefault map text.charAt(i) text.charAt text i 0 1 for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        } char key = 97; char key = 97; key 97 key < 123 key 123 key++ key++ key {
            System.out.println(key + " : " + map.get(key));
        } {
            System.out.println(key + " : " + map.get(key));
        } System.out.println(key + " : " + map.get(key)) System.out.println System.out System System.out key + " : " + map.get(key) key + " : " + map.get(key) key " : " map.get(key) map.get map key String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    }
} Main
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = "";
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        for (char i = 97; i < 123; i++) {
            map.put(i, 0);
        }
        while (scanner.hasNextLine()) {
            text += scanner.nextLine().toLowerCase();
        }
        for (int i = 0; i < text.length(); i++) {
            map.put(text.charAt(i), map.getOrDefault(text.charAt(i), 0) + 1);
        }
        for (char key = 97; key < 123; key++) {
            System.out.println(key + " : " + map.get(key));
        }
    }
}

