#code by abhis021@github
year = int(input("Input a year[1900-2025]: "))
if(year<1900):
	print("Invalid Year exiting... ")
	exit()
elif(year>2025):
	print("Invalid Year exiting... ")
	exit()
if (year % 400 == 0):
    leap_year = True
elif (year % 100 == 0):
    leap_year = False
elif (year % 4 == 0):
    leap_year = True
else:
    leap_year = False
month = int(input("Input a month [1-12]: "))

if(month<1):
	print("Invalid month exiting... ")
	exit()
elif(month>12):
	print("Invalid month exiting... ")
	exit()
if month in (1, 3, 5, 7, 8, 10, 12):
    month_length = 31
elif month == 2:
    if leap_year:
        month_length = 29
    else:
        month_length = 28
else:
    month_length = 30


day = int(input("Input a day [1-31]: "))
if(day<1):
	print("Invalid day exiting... ")
	exit()
elif(day>31):
	print("Invalid day exiting... ")
	exit()
if day < month_length:
    day += 1
else:
    day = 1
    if month == 12:
        month = 1
        year += 1
    else:
        month += 1
print("The next date is [yyyy-mm-dd] %d-%d-%d." % (year, month, day))
