i = 5
if i == 1:
print('January 31')
elif i == 2:
print('February 28')
elif i == 3:
print('March 31')
elif i == 4:
print('April 30')
elif i == 5:
print('May 31')
elif i == 6:
print('June 30')
elif i == 7:
print('July 31')
elif i == 8:
print('August 31')
elif i == 9:
print('September 30')
elif i == 10:
print('October 31')
elif i == 11:
print('November 30')
elif i == 12:
print('December 31')
else:
print('Out of month')