Calculator

#include "stdafx.h"
#include <iostream>
using namespace std;
int _tmain()
{
    int a;
    int b;
    char sign;
    cin >> a;
    cin >> sign;
    cin >> b;
    if (sign == '+'){
        cout << a + b << endl;
    }
    if (sign == '-'){
        cout << a - b << endl;
    }
    if (sign == '*'){
        cout << a*b << endl;
    }
    if (sign == '/'){
    cout << a / b << endl;
    }
    return 0;
    }