//Java Calculator
import java.util.Scanner;
class sample
{
    public static void main(String[]args)
    {
        //Setting vars
        int answer=1;
        int num1,num2,num3;
        Scanner input=new Scanner(System.in);
        while (answer==1)
        {
            System.out.print("Choose number : \r\n 1 - Plus \r\n 2 - Minus \r\n 3 - Multiplication \r\n 4 - Divide : ");
            num3 = input.nextInt();
            if (num3==1)
            {
                System.out.print("Choose number:");
                num1 = input.nextInt();
                System.out.print("Choose other number: ");
                num2 = input.nextInt();
                System.out.print("\r\n" + num1 + " + " + num2 + " = ");
                System.out.print(num1+num2);
                System.out.print("\r\n Do you wish to continue ? (1 For Yes 0 For No) : ");
                answer = input.nextInt();
            }
            if (num3==2)
            {
                System.out.print("Choose number:");
                num1 = input.nextInt();
                System.out.print("Choose other number: ");
                num2 = input.nextInt();
                System.out.print("\r\n" + num1 + " - " + num2 + " = ");
                System.out.print(num1-num2);
                System.out.print("\r\n Do you wish to continue ? (1 For Yes 0 For No) : ");
                answer = input.nextInt();
            }
            if (num3==3)
            {
                System.out.print("Choose number:");
                num1 = input.nextInt();
                System.out.print("Choose other number: ");
                num2 = input.nextInt();
                System.out.print("\r\n" + num1 + " x " + num2 + " = ");
                System.out.print(num1*num2);
                System.out.print("\r\n Do you wish to continue ? (1 For Yes 0 For No) : ");
                answer = input.nextInt();
            }
            if (num3==4)
            {
                System.out.print("Choose number:");
                num1 = input.nextInt();
                System.out.print("Choose other number: ");
                num2 = input.nextInt();
                System.out.print("\r\n" + num1 + " / " + num2 + " = ");
                System.out.print(num1/num2);
                System.out.print("\r\n Do you wish to continue ? (1 For Yes 0 For No) : ");
                answer = input.nextInt();
            }
        }
    }
}