import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	}

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

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	}

} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	} main {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) long N = scan.nextLong(); N scan.nextLong() scan.nextLong scan long A = scan.nextLong(); A scan.nextLong() scan.nextLong scan long B = scan.nextLong(); B scan.nextLong() scan.nextLong scan System.out.println(
			N * A < B ? N * A : B 
		) System.out.println System.out System System.out N * A < B ? N * A : B N * A < B N * A N A B N * A N A B scan.close() scan.close scan String[] args args public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	}

} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	}

} Main
import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		long N = scan.nextLong();
		long A = scan.nextLong();
		long B = scan.nextLong();
		
		System.out.println(
			N * A < B ? N * A : B 
		);
		scan.close();
	}

}