import java.io.*; import java.util.*; import java.util.function.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int daily = sc.nextInt(); int start = sc.nextInt(); long[][] dp = new long[n + 1][2]; dp[0][1] = Long.MAX_VALUE / 2; for (int i = 1; i <= n; i++) { dp[i][0] = Math.min(dp[i - 1][0], dp[i - 1][1]) + sc.nextInt(); dp[i][1] = Math.min(dp[i - 1][0] + start, dp[i - 1][1]) + daily; } System.out.println(Math.min(dp[n][0], dp[n][1])); } } class Scanner { BufferedReader br; StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); } catch (Exception e) { } } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String next() { try { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } } catch (Exception e) { e.printStackTrace(); } finally { return st.nextToken(); } } }