package Mine.Domzadanie;

import java.util.Scanner;

public class Calculator {
    public static void main(String[] args) {
        int num1 = getInt();
        char symbol = getOperation();
        int num2 = getInt();
        calc(num1, num2, symbol);
    }

    public static int getInt() {
        System.out.println("Введите число:");
        Scanner scan = new Scanner(System.in);
        int number = scan.nextInt();
        return number;
    }

    public static char getOperation() {
        System.out.println("Введите символ: + , - , *, /");
        Scanner myscan = new Scanner(System.in);
        char c = myscan.next().charAt(0);
        return c;
    }

    public static int calc(int numr1, int numr2, char operation) {
        int result = 0;
        String resultMessage = "";
        switch (operation) {
            case '+':
                result = numr1 + numr2;
                break;
            case '-':
                result = numr1 - numr2;
                break;
            case '*':
                result = numr1 * numr2;
                break;
            case '/':
                result = numr1 / numr2;
                break;
            default:
                resultMessage = "Invalid operator!";

        }
        if (resultMessage.length() > 1) {
            System.out.println(resultMessage);

        } else {
            System.out.println(result);
        }
        return result;
    }
}