Task: Program Execution
Input (English): 1, 2, ['621', 'e', '9357', '8595', 'A', '6563', 'W', '3749', '8601', 'Q', '9537', '1999', '3813', 'n', 't', 'H', '7943', 'Q', 'T', 'f']
Output (English): 621, 9357, A, W, 8601, 9537, 3813, t, 7943, T