do while calculator

package com.company;

import java.util.*;

public class Main {

    public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
        int choice;
        int a, b;

        do {
            System.out.println("Select an operation: \n1. Addition\n2. Subtraction" +
                    "\n3. Multiplication\n4. Division \n5. Exit");
            System.out.print("Choice: ");
            choice = input.nextInt();

            if(choice == 1){
                System.out.print("First number: ");
                a = input.nextInt();
                System.out.print("Second number: ");
                b = input.nextInt();
                System.out.println("Sum: " + (a+b));
            }
            if(choice == 2){
                System.out.print("First number: ");
                a = input.nextInt();
                System.out.print("Second number: ");
                b = input.nextInt();
                System.out.println("Sum: " + (a-b));
            }
            if(choice == 3){
                System.out.print("First number: ");
                a = input.nextInt();
                System.out.print("Second number: ");
                b = input.nextInt();
                System.out.println("Sum: " + (a*b));
            }
            if(choice == 4){
                System.out.print("First number: ");
                a = input.nextInt();
                System.out.print("Second number: ");
                b = input.nextInt();
                System.out.println("Sum: " + (a/b));
            }
            if(choice == 5){
                System.out.println("Program will terminate.");
                System.exit(0);
            }
        }while(true);*/
    }
}