class Chrono:
    def __init__(self, h, m, s):
        self._temps = 3600*h + 60*m + s

    def texte(self):
        h, m, s = self._conversion()
        return str(h) + 'h ' + str(m) + 'm ' + str(s) + 's'

    def avance(self, s):
        self._temps += s

    def egale(self, u):
        return self._temps == u._temps

    def clone(self):
        h, m, s = self._conversion()
        return Chrono(h, m, s)

    def _conversion(self):
        s = self._temps
        return (s // 3600, (s // 60) % 60, s % 60)