Pr1c.java

class S_Method {

  public static int add(int a, int b) {
    return a + b;
  }

  public static int sub(int a, int b) {
    return a - b;
  }
}

public class Pr1c {

  public static void main(String args[]) {
    System.out.println("Sum: " + S_Method.add(8, 4));
    System.out.println("Difference: " + S_Method.sub(18, 12));
  }
}