Matcom Online Grader
Faculty of Mathematics and Computer Science of University of Havana

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Matcom Grader Speed Contest - 2019

Ended

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K - K-th Common Divisor

Languages: C, C++, Java, Python, Kotlin, C#

Time & Memory limits: (details)

You are given positive integers

A $A$ and

B $B$ . Find the

K $K$ -th largest positive integer that divides both

A $A$ and

B $B$ .

The input guarantees that there exists such a number.

Input

The input contains one line with three integers $A$ , $B$ , $K$ with $1 \leq A, B \leq 100$ and $K ≥ 1$ .

The $K$ -th largest positive integer that divides both $A$ and $B$ exists.

Output

Print the $K$ -th largest positive integer that divides both $A$ and $B$ .

Sample test(s)

Input

8 12 2

Output

Input

100 50 4

Output

Input

1 1 1

Output

Matcom Online Grader Faculty of Mathematics and Computer Science of University of Havana

Matcom Grader Speed Contest - 2019

Ended

K - K-th Common Divisor

Languages: C, C++, Java, Python, Kotlin, C#

Time & Memory limits: (details)

Input

Output

Sample test(s)

Matcom Online Grader
Faculty of Mathematics and Computer Science of University of Havana