Pray

C: Prayer (Pray)

Some twins are famous for praying before the contest.

There are four integers $H, W, X, Y$, and it seems unlucky if $H \ times W$ and $x + y$ are both odd numbers.

input

Four integers $H, W, X, Y$ are given, separated by spaces.

output

Output "No" if you are unlucky, or "Yes" if not. But don't forget the last line break.

Constraint

• $H, W, X, Y$ are integers greater than or equal to $1$ and less than or equal to $100$

Input example 1

3 5 1 4

Output example 1

No

$3 \ times 5 = 15$, $1 + 4 = 5$, both odd numbers, so it's unlucky.

Input example 2

3 5 2 4

Output example 2

Yes

$3 \ times 5 = 15$ is odd, but $2 + 4 = 6$ is even, so good luck isn't bad.

Example

Input

3 5 1 4

Output

No

inputFormat

input

Four integers $H, W, X, Y$ are given, separated by spaces.

outputFormat

output

Output "No" if you are unlucky, or "Yes" if not. But don't forget the last line break.

Constraint

• $H, W, X, Y$ are integers greater than or equal to $1$ and less than or equal to $100$

Input example 1

3 5 1 4

Output example 1

No

$3 \ times 5 = 15$, $1 + 4 = 5$, both odd numbers, so it's unlucky.

Input example 2

3 5 2 4

Output example 2

Yes

$3 \ times 5 = 15$ is odd, but $2 + 4 = 6$ is even, so good luck isn't bad.

Example

Input

3 5 1 4

Output

No

样例

3 5 1 4

No