Task: Program Execution
Input (English): 18, 22, ['G', '4117', '8799', 'f', 'L', 'm', '9201', '6723', '5637', '8593', 'i', '3237', '5269', '9739', 'T', '6165', 'G', '8473', 'e', 'Q', 'X', '5121', 'T', 'x', 'c', 'G']
Output (English): 5121, X, Q, e, 8473