Problems

# Big accuracy

# Big accuracy

The rational fraction `m/n`

is given. Write it in the decimal notation with `k`

digits after the decimal point.

#### Input

Three numbers `m`

, `n`

, `k`

are written in one line. `0 < m`

, `n ≤ 100`

, `0 ≤ k ≤ 1000`

.

#### Output

Print `k`

digits after the decimal point of the given number.

Input example #1

1 2 3

Output example #1

0.500