10.IdexOFLetters

package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
    //abcz
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        for (int i = 0; i < str.length(); i++) {
            char[] arr = str.toCharArray();
            String index = " ";
            switch (arr[i]) {
                case 'a': index = "0"; break;
                case 'b': index = "1"; break;
                case 'c': index = "2"; break;
                case 'd': index = "3"; break;
                case 'e': index = "4"; break;
                case 'f': index = "5"; break;
                case 'g': index = "6"; break;
                case 'h': index = "7"; break;
                case 'i': index = "8"; break;
                case 'j': index = "9"; break;
                case 'k': index = "10"; break;
                case 'l': index = "11"; break;
                case 'm': index = "12"; break;
                case 'n': index = "13"; break;
                case 'o': index = "14"; break;
                case 'p': index = "15"; break;
                case 'q': index = "16"; break;
                case 'r': index = "17"; break;
                case 's': index = "18"; break;
                case 't': index = "19"; break;
                case 'u': index = "20"; break;
                case 'v': index = "21"; break;
                case 'w': index = "22"; break;
                case 'x': index = "23"; break;
                case 'y': index = "24"; break;
                case 'z': index = "25"; break;
            }
            System.out.println(arr[i] + " -> " + index);
        }
    }
}