계산기 만들기

#include <iostream>
using namespace std;

int main()
{
    int input;
    int init = 100;

    cout << "현재 숫자는 " << init << endl;
    cout << "더할 숫자를 입력해 주세요" << endl;
    cin >> input;

    cout << "현재 숫자는 " << (init += input) << endl;
    cout << "뺄 숫자를 입력해 주세요" << endl;
    cin >> input;
   
    cout << "현재 숫자는 " << (init -= input) << endl;
    cout << "곱할 숫자를 입력해 주세요" << endl;
    cin >> input;
    cout << "현재 숫자는 " << (init *= input) << endl;

    cout << "나눌 숫자를 입력해 주세요" << endl;
    cin >> input;    
    cout << "현재 숫자는 " << (init /= input) << endl;
}