Messages

import java.util.Scanner;

public class SoftUni {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the number of symbols you want to enter: ");
        int numbers = Integer.parseInt(sc.nextLine());
        String message = "";

        for(int i =0;i<numbers;i++){
            int count = 1;
            int number = Integer.parseInt(sc.nextLine());
            if(number/10 != 0){
                number /= 10;
                count++;

            }
            if(number/10 != 0){
                number/=10;
                count++;
            }
            int digit = number%10;
            int offset = (digit-2)*3;
            if(digit == 8 || digit == 9){
                offset++;
            }
            int letterIndex = offset + count - 1;
            int letterCode = letterIndex + 97;
            char letter = (char) letterCode;
            if (digit== 0) {
                letter = (char) (digit + 32);
            }
            message += letter;

        }

        System.out.println(message);

    }

}