#D2012. Oranges on Cans

    ID: 1672 Type: Default 1000ms 268MiB

Oranges on Cans

Oranges on Cans

Oranges on Cans

square1001 You put a N N can of aluminum on the table.

E869120 You put M M of oranges on each aluminum can on the table.

How many oranges are on the aluminum can?

input

Input is given from standard input in the following format.

N N M M

output

Output the number of oranges on the aluminum can in one line.

However, insert a line break at the end.

Constraint

  • 1 leqN leq9 1 \ leq N \ leq 9
  • 1 leqM leq9 1 \ leq M \ leq 9
  • All inputs are integers.

Input example 1

3 4

Output example 1

12

Input example 2

7 7

Output example 2

49

Example

Input

3 4

Output

12

inputFormat

input

Input is given from standard input in the following format.

N N M M

outputFormat

output

Output the number of oranges on the aluminum can in one line.

However, insert a line break at the end.

Constraint

  • 1 leqN leq9 1 \ leq N \ leq 9
  • 1 leqM leq9 1 \ leq M \ leq 9
  • All inputs are integers.

Input example 1

3 4

Output example 1

12

Input example 2

7 7

Output example 2

49

Example

Input

3 4

Output

12

样例

3 4
12