def max_foes_defeated(n, S, A, Q, K_list):
    results = []
    
    for K in K_list:
        max_defeated = 0
        
        for start in range(n):
            sharpness = K
            defeated = 0
            
            for i in range(start, n):
                if sharpness <= 0:
                    break
                
                if A[i] <= sharpness:
                    sharpness -= A[i]
                    if S[i] == 'E':
                        defeated += 1
                else:
                    break
            
            max_defeated = max(max_defeated, defeated)
        
        results.append(max_defeated)
    
    return results

if __name__ == "__main__":
    n = int(input().strip())
    S = input().strip()
    A = list(map(int, input().strip().split()))
    Q = int(input().strip())
    K_list = [int(input().strip()) for _ in range(Q)]
    
    results = max_foes_defeated(n, S, A, Q, K_list)
    
    for res in results:
        print(res)