Scientific Notation with e

Version: Phuoc Hung OJ Extended

Problem Statement

Given a real number $x$, display it in scientific notation using a lowercase e between the significand and exponent. Print exactly 3 digits after the decimal point in the significand; the exponent includes a + or - sign and at least two digits. Match Python 3 .3e formatting.

Input

One line contains $x$.

Output

Print one line using Python 3 .3e scientific notation.

Subtasks

• Subtask 1 (100 points): $|x|\le10^{100}$ and finite.

Examples

Example 1

Input

12345.6789

Output

1.235e+04

Explanation. For input 12345.6789, applying .3e formatting produces exactly 1.235e+04 (including any trailing zeros, separators or exponent characters).

Example 2

Input

0.0012345

Output

1.234e-03

Explanation. For input 0.0012345, applying .3e formatting produces exactly 1.234e-03 (including any trailing zeros, separators or exponent characters).

Example 3

Input

-987654.0

Output

-9.877e+05

Explanation. For input -987654.0, applying .3e formatting produces exactly -9.877e+05 (including any trailing zeros, separators or exponent characters).