Functions and function calls

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) throws IOException {
     malachi();
     BufferedReader BR= new BufferedReader (new InputStreamReader(System.in));
     System.out.println("Give an a value: ");
     int a= (int)Double.parseDouble(BR.readLine());
     System.out.println("Give a b value");
     int b= (int)Double.parseDouble(BR.readLine());
     stranded(a,b);

    }
    public static void malachi() {
        System.out.println("Please type a message here: \n");
        Scanner scanner = new Scanner(System.in);
        String message = scanner.nextLine();
    }
    public static void stranded(int a, int b){
        int sum=a*b;
        int sum2= (int) Math.pow(a,b);
        System.out.println("The product is: "+ sum);
        System.out.println("a to the power of b is: " + sum2);
    }
}