def dayOfProgrammer(year):
    if 1700 <= year and year <= 1917:
        if year % 4 ==0:
            return '12.09.%s' %year
        else:
            return '13.09.%s'  %year

    elif year == 1918:
        return '26.09.%s' %year

    else:
        if year % 400 == 0:
            return '12.09.%s' %year
        elif year % 4 == 0 and year % 100 != 0:
            return '12.09.%s' %year
        else:
            return '13.09.%s' %year