import collections

try:
    print (collections.Counter(3))
except TypeError as e:
    print (repr(e))

c = collections.Counter('hello')

try:
    print (c.elements(5))
except TypeError as e:
    print (repr(e))

try:
    print (c.most_common(2, 5))
except TypeError as e:
    print (repr(e))

try:
    print (c.most_common('hello'))
except TypeError as e:
    print (repr(e))

print (c.most_common(-5))
print (c.most_common(200))

try:
    c.update(1, 3)
except TypeError as e:
    print (repr(e))

try:
    c.update(13)
except TypeError as e:
    print (repr(e))

try:
    c.subtract(4, 5)
except TypeError as e:
    print (repr(e))

try:
    c.subtract(12.4)
except TypeError as e:
    print (repr(e))