func readInts() -> [Int] {
    return readLine()!.split(separator: " ").map { Int($0)! }
}
let nab = readInts()
let n = nab[0]
let a = nab[1]
let b = nab[2]

if n*a<b {
  print(n*a)
} else {
  print(b)
}

