#include <iostream>
using namespace std;
int main(){
	float a,b,hasil;
	char aritmatika;

	cout << "Selamat datang di program calculator \n \n";

	// memasukan input dari user
	cout << "Masukan nilai pertama: ";
	cin >> a;
	cout << "Pilih operator +,-,/,*: ";
	cin >> aritmatika;
	cout << "Masukan nilai kedua: ";
	cin >> b;

	cout << "\nHasil perhitungan: ";
	cout << a << aritmatika << b;

	if (aritmatika == '+'){
		hasil = a + b;
	} else if (aritmatika == '-'){
		hasil = a - b;
	} else if (aritmatika == '/'){
		hasil = a / b;
	} else if (aritmatika == '*'){
		hasil = a * b;
	} else {
		cout << "operator anda salah" << endl;
	}

	cout << " = " << hasil << endl;
}