var inputs = '';
var reader = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
})

reader.on('line', function(input) {
  inputs = input
})

reader.on('close', function() {
  const items = inputs.trim().split(' ')
  const n = parseInt(items[0])
  const a = parseInt(items[1])
  const b = parseInt(items[2])
  const train = n * a
  const taxi = b
  if(train < taxi){
    console.log(train)
    process.exit(1)
  }
  console.log(taxi)
  process.exit(1)
})