Task: Program Execution
Input (English): 1, 6, ['169', '4363', 't', 'G', 'o', '1345', '9223', 'w', '6427', '3347', 'v', 'x', '7697', 'P', '387', 'R', '6933', 'U', '8563', '3423']
Output (English): 169, 9223, 7697, 8563