using System;

class Program
{
    static void Main()
    {
        var inputs = Console.ReadLine().Split();
        int A = int.Parse(inputs[0]);
        int B = int.Parse(inputs[1]);
        int C = int.Parse(inputs[2]);

        int costA = A * C;
        int minCost = Math.Min(costA, B);

        Console.WriteLine(minCost);
    }
}