Problem

Bitaro has $A$ bills of $1\,000$ yen and $B$ bills of $10\,000$ yen. Output how much money he has in total.

Constraints

• $1 \le A \le 100$.
• $1 \le B \le 100$.
• All input values are integers.

Input

The input is given in the following format:

A
B

Output

Output how much money Bitaro has, omitting the unit (yen).

Do not output anything other than the answer. (Do not output sentences prompting for input, etc.)

Sample Input and Output

Sample Input 1

7
2

Sample Output 1

27000

• Bitaro has $1\,000 \times 7 + 10\,000 \times 2 = 27\,000$ yen. Thus, output $27\,000$.

Sample Input 2

11
1

Sample Output 2

21000

• Bitaro has $1\,000 \times 11 + 10\,000 \times 1 = 21\,000$ yen. Thus, output $21\,000$.