func readInts() -> [Int] {
    return readLine()!.split(separator: " ").map { Int($0)! }
}

func main() {
    let nab = readInts()
    let n = nab[0]
    let a = nab[1]
    let b = nab[2]
    
    if n * a > b {
        print(b)
    } else {
        print(n * a)
    }
}

main()
