Kilometres to Metres

Version: Phuoc Hung OJ Extended

Problem Statement

Given a distance $km$ in kilometres, convert it to metres using $m=1000\cdot km$, since one kilometre equals 1000 metres. Print the result with exactly 2 decimal places.

Input

The only line contains real distance $km$ measured in kilometres.

Output

Print the converted distance in metres with exactly 2 decimal places.

Subtasks

• Subtask 1 (100 points): $0\le km\le10^9$.

Examples

Example 1

Input

1.5

Output

1500.00

Explanation. Substituting 1.5 into km × 1000 gives approximately 1500. The required output formatting produces 1500.00.

Example 2

Input

0

Output

0.00

Explanation. Substituting 0 into km × 1000 gives approximately 0. The required output formatting produces 0.00.

Example 3

Input

12.345

Output

12345.00

Explanation. Substituting 12.345 into km × 1000 gives approximately 12345. The required output formatting produces 12345.00.