import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	}
} Main public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	} main {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) long n n a a b; b n = s.nextInt() n s.nextInt() s.nextInt s a = s.nextInt() a s.nextInt() s.nextInt s b = s.nextInt() b s.nextInt() s.nextInt s 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) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	}
} public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n, a,b;
		n = s.nextInt();
		a = s.nextInt();
		b = s.nextInt();
		System.out.println(Math.min(n*a,b));
	}
}
