def PGMinute1():
    print("Votre horaire (hr, mn)? ", sep="", end="")
    hr = int(input())
    mn = int(input())
    mn += 1
    if mn == 60:
        mn = 0
        hr += 1
        if hr == 24:
            hr = 0
    print("Une minute plus tard: ", end="")
    if hr == 0 and mn == 0:
        print("Minuit")
    else:
        print(hr, "h", sep="", end="")
        if mn != 0:
            print(mn, "'", sep="", end="")
        print()

PGMinute1()