class Proc {
    fun run() {
        val inpt = Reader.readLn()!!.split(" ").map { a-> a.toInt() }
        val ans = Math.min(inpt[0]*inpt[1], inpt[2])
        println(ans)
    }
}

class Reader {
    companion object {
        private var current = -1;
        var inputStrints: List<String>? = null
        fun readLn(): String? {
            current++
            return if(inputStrints == null) {
                readLine()
            } else {
                inputStrints!![current];
            }
        }
    }
}

fun main(args:Array<String>) {
    Proc().run()
}
