#archibold_acheampong

print 'Problem 1:'
print 'a.'
print '51'
print '\n'


print 'b.'
print '10'
print '\n'

print 'c.'
print '8'
print '\n'

print 'd.'
print "['one','two','three','four']"
print '\n'

print 'e.'
print '72'

