N,X,Y = map(int,input().split()) A = list(map(int,input().split())) imos = [A[i] for i in range(N)] for i in range(1,N): imos[i] += imos[i-1] dp = [0 for i in range(N)] dp_last = [0 for i in range(N)] dp[0] = max(A[0],X) dp_last[0] = max(imos[0],X) for i in range(1,N): dp[i] = max(dp[i-1]+A[i],dp_last[i-1]+X) dp_last[i] = max(imos[i],dp_last[i-1]+X) dp_back = [0 for i in range(N)] dp_back_last = [0 for i in range(N)] dp_back[-1] = max(A[-1],Y) dp_back_last[-1] = max(A[-1],Y) for i in range(N-2,-1,-1): dp_back[i] = max(dp_back[i+1]+A[i],dp_back_last[i+1]+Y) dp_back_last[i] = max(imos[-1]-imos[i]+A[i],dp_back_last[i+1]+Y) left = [A[i] for i in range(N)] right = [A[i] for i in range(N)] for i in range(1,N): left[i] = min(left[i-1],left[i]) for i in range(N-2,-1,-1): right[i] = min(right[i],right[i+1]) for i in range(1,N-1): x,y = dp[i-1],dp_back[i+1] if x==imos[i-1]: x = imos[i-1] - left[i-1] + X if y==imos[-1]-imos[i+1]+A[i+1]: y = imos[-1]-imos[i+1]+A[i+1] - right[i+1] + Y print(A[i]+x+y)