import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.OptionalLong;
import java.util.Arrays;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import java.util.Scanner;
import java.util.function.Function;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        No664 solver = new No664();
        solver.solve(1, in, out);
        out.close();
    }

    static class No664 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = in.nextInt() + 1;
            int M = in.nextInt();
            long K = in.nextInt();
            int[] A = new int[N];
            for (int i = 0; i < N; i++) {
                A[i] = in.nextInt();
            }
            final long minf = (long) -1e18;
            long[][] dp = new long[N + 1][M + 1];
            for (int i = 0; i < dp.length; i++) {
                Arrays.fill(dp[i], -1);
            }
            dp[0][0] = K;
            for (int i = 0; i < N; i++) {
                for (int j = i + 1; j < N; j++) {
                    for (int k = 0; k < M; k++) {
                        dp[j][k] = Math.max(dp[j][k], dp[i][k]);
                        long foo = dp[i][k];
                        {
                            long bar = foo / A[i];
                            foo -= bar * A[i];
                            foo += bar * A[j];
                        }
                        dp[j][k + 1] = Math.max(dp[j][k + 1], foo);
                    }
                }
            }
            long ans = Arrays.stream(dp).flatMapToLong(new Function<long[], LongStream>() {

                public LongStream apply(long[] longs) {
                    return Arrays.stream(longs);
                }
            }).max().getAsLong();
            out.println(ans);
        }

    }
}