Problem:
Score : 100 points

Problem Statement

N of us are going on a trip, by train or taxi.

The train will cost each of us A yen (the currency of Japan).

The taxi will cost us a total of B yen.

How much is our minimum total travel expense?

Constraints

All values in input are integers.

1 \leq N \leq 20

1 \leq A \leq 50

1 \leq B \leq 50

Input

Input is given from Standard Input in the following format:

N A B

Output

Print an integer representing the minimum total travel expense.

Sample Input 1

4 2 9

Sample Output 1

8

The train will cost us 4 \times 2 = 8 yen, and the taxi will cost us 9 yen, so the minimum total travel expense is 8 yen.

Sample Input 2

4 2 7

Sample Output 2

7

Sample Input 3

4 2 8

Sample Output 3

8

Solution in PHP7 (7.0.15) (judge verdict: Accepted)

<?php
  
  $tmp = explode(" ", trim(fgets(STDIN)));

  $n = $tmp[0];
  $a = $tmp[1];
  $b = $tmp[2];

  if($n*$a<$b){
    echo $n*$a;
  }else{
    echo $b;
  }
  echo "\n";