import java.util.Scanner;

public class Easy18 {
    // Goal: convert a 1-800 number given in letters to numbers.
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        char[] input;

        // get input
        System.out.print("Enter the last seven letters (upper or lower case) and/or numbers of a phone number.\nInput: 1-800-");
        boolean good = true; // whether or not the input is acceptable
        // this do-while loop only exits when input has length of 7.
        do {
            if (!good) System.out.print("Please enter seven letters and/or numbers.\nInput: 1-800-");
            input = s.nextLine().toLowerCase().toCharArray();
            good = true;
            if (input.length != 7) good = false;
        } while (!good);

        // generate output
        int[] cap = {0,0,3,6,9,12,15,19,22,26};
        // cap[] helps identify how large each set of chars is
        // e.g. "abc" has 3 (at index 2) and "pqrs" has 4 (at index 7)
        System.out.print("Output: 1-800-");
        for (int i=0;i<7;i++) {
            if (i==3) System.out.print("-"); // print the -
            // case 1: the input is a number. simply print the number.
            if (input[i] >=48 && input[i] <= 57) System.out.print(input[i]);
            // case 2: the input is a char. note the keycode of 'a' is 97.
            else
            for (int j=2;j<cap.length;j++) {
                if (input[i] < 97+cap[j]) {
                    System.out.print(j);
                    break;
                }
            }
        }
        System.out.println();
    }
}