#include <iostream>
#include <fstream>
#include <string>

class Money
{
private:
    int yuan, jiao, fen;

public:
    Money(int _yuan = 0, int _jiao = 0, int _fen = 0)
        : yuan{_yuan}, jiao{_jiao}, fen{_fen}
    {
    }
    friend std::ostream &operator<<(std::ostream &os, const Money &m)
    {
        if (&os == &std::cout)
            return os << m.yuan << "元" << m.jiao << "角" << m.fen << "分\n";
        else
            return os << m.yuan << ' ' << m.jiao << ' ' << m.fen << '\n';
    }
    friend std::istream &operator>>(std::istream &is, Money &m)
    {
        if (&is == &std::cin)
            std::cout << "请输入元角分的数值，以空格分开：";
        return is >> m.yuan >> m.jiao >> m.fen;
    }
};

int main()
{
    std::ofstream ofile{"money.txt"};
    Money m{}, n{};
    std::cin >> m; // 从键盘输入m
    ofile << m;    // m写入文件
    ofile.close();
    std::ifstream ifile{"money.txt"};
    ifile >> n;     // 从文件读入n
    std::cout << n; // 输出n
    ifile.close();
    return 0;
}