def dayOfProgrammer(year):
    if year==1918:
        return '26.09.1918'
    elif year > 1918 and ((int(year)%400==0) or (int(year)%4==0 and int(year)%100!=0)):
            return '12.09.'+str(year)
    elif year < 1918 and (int(year)%4==0):
        return '12.09.'+str(year)
    else:
        return '13.09.'+str(year)