#Author: <anonymized>
#Date: 10/29/25
#Purpose: Convert seconds into hours:minutes:seconds

import sys
   

def get_hours(seconds):
    return seconds // 3600

def get_minutes(seconds):
    remain1 = seconds % 3600
    return remain1 // 60

def get_seconds(seconds):
    return seconds % 60

def padprint(number):
    s = str(number)
    if len(s) < 2:
        s = '0' + s
    print(s, end='')
    
def print_hms(seconds):
    h = get_hours(seconds)
    m = get_minutes(seconds)
    s = get_seconds(seconds)
    
    padprint(h)
    print(':', end='')
    padprint(m)
    print(':', end='')
    padprint(s)
    print()
    

foo = 10
    
    
if __name__ == '__main__':
    

    seconds = int(sys.argv[1])   

    print_hms(seconds)