x=46979#int,float
#x=int(raw_input())
aa=int(x/360*0.1)
ab=int(x%360/60)
ac=x%60
import sys
if x>=0 and x<=86400:
sys.stdout.write(str(aa)+':'+str(ab)+':'+str(ac))
eD00Njk3OSNpbnQsZmxvYXQKI3g9aW50KHJhd19pbnB1dCgpKQphYT1pbnQoeC8zNjAqMC4xKQphYj1pbnQoeCUzNjAvNjApCmFjPXglNjAKaW1wb3J0IHN5cwppZiB4Pj0wIGFuZCB4PD04NjQwMDoKCXN5cy5zdGRvdXQud3JpdGUoc3RyKGFhKSsnOicrc3RyKGFiKSsnOicrc3RyKGFjKSk=