Task: Program Execution
Input (English): 7, ['5525', '1149', '2337', 'a', 'u', 'Q', 'k', 'c', '2133', '6005', 'W', 'l', '8073', '4789', '6533', 'P', '4203']
Output (English): 5525, 1149, 2337, a, u, Q, k