month = str(input())
day = str(input())
file = open("output.txt", 'w')
date = "Date: "
if int(day) < 10:
date += "0" + day
else:
date += day
if int(month) < 10:
date += ".0" + month
else:
date += "." + month
file.write(date + "\n")
for i in range(0, 20):
date = ""
if int(day) < 10:
date = "0" + day
else:
date = day
if int(month) < 10:
date += ".0" + month
else:
date += "." + month
date += "." + str(2021 + i)
file.write(date + "\n")