Do Not Round Too Early

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given real numbers $a,b,c$ where $b$ is nonzero, compute $T=(a/b)\times c$. Round only when printing exactly two decimal places, not before multiplication.

Input

One line containing $a$, $b$, $c$.

Output

Print $T$ with exactly two fractional digits.

Subtask

• Subtask 1 — 100 points: $-1000\le a,c\le1000$; $1\le b\le1000$; all three are integer-valued real inputs.

Example

Input

1 3 3

Output

1.00

Explanation

$1/3=0.3333\ldots$; multiply by 3 before formatting to obtain 1.0 and print 1.00. Early rounding to 0.33 would give 0.99.