import java.util.Scanner;

public class Main {
    public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    }

    //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    }

} import java.util.Scanner; Scanner java.util public class Main {
    public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    }

    //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    }

} Main public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    } debug {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    } boolean debug = false; debug false if (debug == false) {
            return;
        } debug == false debug false {
            return;
        } return; System.out.println(str) System.out.println System.out System System.out str String str str //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    } main {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    } int N; N int A; A int B; B try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        } {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        } Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) 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 int res = N * A < B ?N*A:B; res N * A < B ?N*A:B N * A < B N * A N A B N*A N A B System.out.println(res) System.out.println System.out System System.out res String[] args args public class Main {
    public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    }

    //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    }

} public class Main {
    public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    }

    //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    }

} Main
import java.util.Scanner;

public class Main {
    public static void debug(String str) {
        boolean debug = false;
        if (debug == false) {
            return;
        }
        System.out.println(str);
    }

    //木構造
    public static void main(String[] args) {

        int N;
        int A;
        int B;
        try (Scanner sc = new Scanner(System.in)) {
            N = sc.nextInt();
            A = sc.nextInt();
            B = sc.nextInt();
        }
        int res = N * A < B ?N*A:B;
        System.out.println(res);


    }

}
