import java.util.Scanner;

public class Ex9 {
    public static void main(String[] args) {

        Scanner calculator = new Scanner(System.in);


        System.out.print("Enter first number: ");
        double number1 = calculator.nextDouble();
        System.out.print("Enter second number: ");
        double number2 = calculator.nextDouble();
        System.out.print("Write what would you like to do with numbers(ADD, SUBTRACT, MULTIPLY, DIVIDE or MODULO): ");
        String operation = calculator.next();  //nextLine make an error

        Operators

        double result = 0;
        switch (operation) {
            case "ADD":
                result = number1 + number2;
                break;
            case "SUBTRACT":
                result = number1 - number2;
                break;
            case "MULTIPLY":
                result = number1 * number2;
                break;
            case "DIVIDE":
                result = number1 / number2;
                break;
            case "MODULO":
                result = number1 % number2;
                break;
        }
        char operator = ' ';
        switch (operation) {
            case "ADD":
                operator = '+';
                break;
            case "SUBTRACT":
                operator = '-';
                break;
            case "MULTIPLY":
                operator = '*';
                break;
            case "DIVIDE":
                operator = '/';
                break;
            case "MODULO":
                operator = '%';
                break;
        }

        System.out.println(number1 + " " + operator + " " + number2 + " = " + result);
    }
}