import java.util.*;
public class Main {
    public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    }
} Main public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    } main {

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    } long NUM=1000000007; NUM 1000000007 Scanner sc = new Scanner(System.in); sc new Scanner(System.in) 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 return; String[] args args public class Main {
    public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    }
} public class Main {
    public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    }
} Main
import java.util.*;
public class Main {
    public static void main(String[] args){

        long NUM=1000000007;
        Scanner sc = new Scanner(System.in);
        // 整数の入力
        int N=sc.nextInt();
        int A=sc.nextInt();
        int B=sc.nextInt();
        System.out.println(Math.min(N*A,B));
        return;


    }
}
