function main(input) {
  var input = input.split(" ");
  var N = input[0];
  var A = input[1];
  var B = input[2];
  
  var s = N * A;
  
  if (s<B) console.log(B);
  else console.log(s);
}

main(require("fs").readFileSync("/dev/stdin", "utf8"));