object Main {
	def main(args: Array[String]): Unit = {
		val strAry = io.StdIn.readLine().split(" ")
		
		val judge = (n: Int, a: Int, b: Int) => math.min(n * a, b)
		
		println(judge(strAry(0).toInt, strAry(1).toInt, strAry(2).toInt))
	}
}