N, Q = map(int, input().split())
A = [int(a) - 1 for a in input().split()]
X = [[0] * (i+1) for i in range(N+1)]
X[0][0] = 1
for i in range(N):
    for j in range(i+1):
        X[i+1][j] += X[i][j] * A[i]
        X[i+1][j+1] += X[i][j]

B = [int(a) for a in input().split()]
for a in B:
    print(X[-1][a])