#PCBSAU0000025. Xuất hai chữ số thập phân (Print Two Decimal Places)

Xuất hai chữ số thập phân (Print Two Decimal Places)

Print Two Decimal Places

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given a real number xx, display it with exactly two digits after the decimal point, including trailing zeros.

Input

One line containing real number xx.

Output

Print one line with exactly two fractional digits.

Subtask

  • Subtask 1 — 100 points: −1000≤x≤1000-1000\le x\le1000; xx is a multiple of 1/81/8.

Example

Input

12.5

Output

12.50

Explanation

Input 12.5 represents 12.5; .2f adds one trailing zero, producing 12.50.