#include <iostream>
using namespace std;
class MyInt
{int nVal;
public:MyInt(int n) { nVal = n};MyInt & operator-(int n){        //運算符重載-nVal -= n;return *this;
}
operator int() {return nVal;}  //類型轉換函數};int Inc(int n){return n+1;
}int main(){int n;while(cin>>n){MyInt objInt(n);objInt-2-1-3;cout << Inc(objInt);cout << ",";objInt-2-1;cout<< Inc(objInt) <<endl;
}
return 0;
}

類型轉換函數

operator type () {// TODO: return data;
}