SECONDES_PAR_MINUTE = 60
SECONDES_PAR_HEURE = 3600

def PGDiffsecs():
    print("hr mm ss?", sep="", end="")
    hr = int(input())
    mm = int(input())
    ss = int(input())
    nsecs = hr * SECONDES_PAR_HEURE + mm * SECONDES_PAR_MINUTE + ss
    print(nsecs)
    print("hr mm ss?", sep="", end="")
    hr = int(input())
    mm = int(input())
    ss = int(input())
    nsecs2 = hr * SECONDES_PAR_HEURE + mm * SECONDES_PAR_MINUTE + ss
    print(nsecs2)
    nsecs = nsecs2 - nsecs
    print(nsecs)

PGDiffsecs()