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Score : $200$ points

Problem Statement

Given are $1$-digit positive integers $a$ and $b$. Consider these two strings: the concatenation of $b$ copies of the digit $a$, and the concatenation of $a$ copies of the digit $b$. Which of these is lexicographically smaller?

Constraints

$1 \leq a \leq 9$
$1 \leq b \leq 9$
$a$ and $b$ are integers.

Input

Input is given from Standard Input in the following format:

$a$ $b$

Output

Print the lexicographically smaller of the two strings. (If the two strings are equal, print one of them.)

Sample Input 1

4 3

Sample Output 1

We have two strings 444 and 3333. Between them, 3333 is the lexicographically smaller.

Sample Input 2

7 7