import java.util.*;

public class Main {
	Scanner sc = new Scanner(System.in);
	final int MOD = 1000000007;
	final int MAX = Integer.MAX_VALUE;
	final long LMAX = Long.MAX_VALUE;

	void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	}
	public static void main(String[] args) {
		new Main().doIt();
	}
} import java.util.*; util.* java public class Main {
	Scanner sc = new Scanner(System.in);
	final int MOD = 1000000007;
	final int MAX = Integer.MAX_VALUE;
	final long LMAX = Long.MAX_VALUE;

	void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	}
	public static void main(String[] args) {
		new Main().doIt();
	}
} Main Scanner sc = new Scanner(System.in); sc new Scanner(System.in) final int MOD = 1000000007; MOD 1000000007 final int MAX = Integer.MAX_VALUE; MAX Integer.MAX_VALUE Integer Integer.MAX_VALUE final long LMAX = Long.MAX_VALUE; LMAX Long.MAX_VALUE Long Long.MAX_VALUE void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	} doIt {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	} int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt 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 public static void main(String[] args) {
		new Main().doIt();
	} main {
		new Main().doIt();
	} new Main().doIt() new Main().doIt new Main() String[] args args public class Main {
	Scanner sc = new Scanner(System.in);
	final int MOD = 1000000007;
	final int MAX = Integer.MAX_VALUE;
	final long LMAX = Long.MAX_VALUE;

	void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	}
	public static void main(String[] args) {
		new Main().doIt();
	}
} public class Main {
	Scanner sc = new Scanner(System.in);
	final int MOD = 1000000007;
	final int MAX = Integer.MAX_VALUE;
	final long LMAX = Long.MAX_VALUE;

	void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	}
	public static void main(String[] args) {
		new Main().doIt();
	}
} Main
import java.util.*;

public class Main {
	Scanner sc = new Scanner(System.in);
	final int MOD = 1000000007;
	final int MAX = Integer.MAX_VALUE;
	final long LMAX = Long.MAX_VALUE;

	void doIt() {
		int n = sc.nextInt();
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(Math.min(n * a, b));
	}
	public static void main(String[] args) {
		new Main().doIt();
	}
}
