Given a string A representing a roman numeral.

Convert A into integer.

A is guaranteed to be within the range from 1 to 3999.

Input Format

The only argument given is string A.

Output Format

Return an integer which is the integer verison of roman numeral string.

For Example

Input 1:

A = "XIV"

Output 1:

14

Input 2:

A = "XX"

Output 2:

20

1. Which of the following functions will return the symmetric difference between two sets, x and y?

a) x | y

b) x ^ y

c) x & y

d) x - y

2. What will be the output of the following Python code snippet?

z=set('abc$de')

'a' in z

a) True

b) False

c) No output

d) Error

3. What will be the output of the following Python code snippet?

z=set('abc')

z.add('san')

z.update(set(['p', 'q']))

z

a) {'abc', 'p', 'q', 'san'}

b) {'a', 'b', 'c', ['p', 'q'], 'san}

c) {'a', 'c', 'c', 'p', 'q', 's', 'a', 'n'}

d) {'a', 'b', 'c', 'p', 'q', 'san'}

4. What will be the output of the following Python code snippet?

s=set([1, 2, 3])

s.union([4, 5])

s|([4, 5])

a)

{1, 2, 3, 4, 5}

{1, 2, 3, 4, 5}

b)

Error

{1, 2, 3, 4, 5}

c)

{1, 2, 3, 4, 5}

Error

d)

Error

Error

5. What will be the output of the following Python code snippet?

for x in set('pqr'):

print(x*2)

a)

pp

qq

rr

b)

pqr

pqr

c) ppqqrr

d) pqrpqr

6. What will be the output of the following Python code snippet?

{a**2 for a in range(4)}

a) {1, 4, 9, 16}

b) {0, 1, 4, 9, 16}

c) Error

d) {0, 1, 4, 9}

7. What will be the output of the following Python function?

{x for x in 'abc'}

{x*3 for x in 'abc'}

a)

{abc}

aaa

bbb

ccc

b)

abc

abc abc abc

c)

{'a', 'b', 'c'}

{'aaa', 'bbb', 'ccc'}

d)

{'a', 'b', 'c'}

abc

abc

abc

8. The output of the following code is: class<'set'>.

type({})

a) True

b) False

9. What will be the output of the following Python code snippet?

a=[1, 4, 3, 5, 2]

b=[3, 1, 5, 2, 4]

a==b

set(a)==set(b)

a)

True

False

b)

False

False

c)

False

True

d)

True

True

10. What will be the output of the following Python code snippet?

l=[1, 2, 4, 5, 2, 'xy', 4]

set(l)

l

a)

{1, 2, 4, 5, 2, 'xy', 4}

[1, 2, 4, 5, 2, 'xy', 4]

b)

{1, 2, 4, 5, 'xy'}

[1, 2, 4, 5, 2, 'xy', 4]

c)

{1, 5, 'xy'}

[1, 5, 'xy']

d)

{1, 2, 4, 5, 'xy'}

[1, 2, 4, 5, 'xy']