Calculadora en Java

import java.util.Scanner;

  public class Calculadora {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("Please enter first number: ");
        int number1 = input.nextInt();
        System.out.print("Please enter second number: ");
        int number2 = input.nextInt();
        System.out.print("Please enter third number: ");
        int number3 = input.nextInt();
        int sum = number1 + number2 + number3;
        System.out.println("Sum of numbers is: " + sum);
    }
  }