Task: Program Execution
Input (English): 8, ['b', '2837', '3981', '4087', '3', '747', 'D', '7685', 'q', 't', 'o', 'Q', 'c', '4537', 'v', 'u', '8023', '1561']
Output (English): q, t, o, Q, c, 4537, v, u, 8023, 1561