ValdemarK

package com.company;

public class Main {
    public static void main(String[] args) {
            System.out.println(sum(3, 5));
    }
    static int sum(int a, int b) {
        int s = (a * b)/2;
        return s;
    }

ValdemarK

package com.company;

import java.util.Scanner;


public class Main {

    public static void main(String[] args) {

        int a;

ValdemarK

package com.company;

public class Main {

    public static void main(String[] args) {
         int a = 4;
         if(a % 2 == 0)
             System.out.println("even");
         else
             System.out.println("odd");