Task: Program Execution
Input (English): 1, 7, ['4555', '4909', '8857', '6281', '5589', '2973', '909', '2975', 'J', 'c', '7557', 't', '7445', '2153', '9695', 'I', '8195', '7911', '5123', '3539', '8597', '7777', '5763', 's', '2745']
Output (English): 4555, 2975, 9695, 7777