// Get/set methods

#include <iostream>
using namespace std;

class Time
{
public:
    Time() : Time(99, 99) {}
    Time(int h) : Time(h, 0) {}
    Time(int h, int m) : hours_(h), minutes_(m) {}

    void read(istream& in = cin);
    void print(ostream& out = cout) const;

    bool less_than(const Time& t) const;

    int hours() const { return hours_; }
    int minutes() const { return minutes_; }

    void set_hours(int new_hours) { hours_ = new_hours; }
    void set_minutes(int new_minutes) { minutes_ = new_minutes; }

    void set(int new_hours, int new_minutes = 0);

private:
    int hours_;
    int minutes_;
};

inline void Time::read(istream& in)
{
    in >> hours_;
    in.get(); // colon
    in >> minutes_;
}

void Time::print(ostream& out) const
{
    out << hours_ << ':';
    if (minutes_ < 10) {
        out << 0;
    }
    out << minutes_;
}

inline bool Time::less_than(const Time& t) const
{
    return (hours_ < t.hours_) ||
               (hours_ == t.hours_ && minutes_ < t.minutes_);
}

inline void Time::set(int new_hours, int new_minutes)
{
    hours_ = new_hours;
    minutes_ = new_minutes;
}

inline void println(const Time& t, ostream & out = cout)
{
    t.print(out);
    out << endl;
}

void print_with_h(const Time& t, ostream & out = cout)
{
    out << t.hours() << 'h';
    if (t.minutes() < 10) {
        out << '0';
    }
    out << t.minutes();
}

// Test driver for Time
int main()
{
    Time t(12,41);
    print_with_h(t);
    cout << endl;

//    t = Time(t.hours(), 45);
//    t = {t.hours(), 45};
    t.set_minutes(45);
    println(t);

    t.set_hours(13);
    println(t);

    t.set(11,30);
    println(t);

    t.set(12);
    println(t);

    return 0;
}