import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	}

} Main public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	} main {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	} int N N A A B; B Scanner sc = new Scanner(System.in); sc new Scanner(System.in) N = sc.nextInt() N sc.nextInt() sc.nextInt sc A = sc.nextInt() A sc.nextInt() sc.nextInt sc B = sc.nextInt() B sc.nextInt() sc.nextInt sc sc.close() sc.close sc System.out.println(Math.min(N*A, B)) System.out.println System.out System System.out Math.min(N*A, B) Math.min Math N*A N A B String[] args args public class Main {

	public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	}

} public class Main {

	public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int N, A, B;

		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		sc.close();

		System.out.println(Math.min(N*A, B));
	}

}