Task: Program Execution
Input (English): 7, ['7439', '559', 'E', 'm', 'S', 'K', '4281', '1281', '3107', 'w', 'e', '2259', '5275', '3005', '6945', '1021', 'U', '6623']
Output (English): 7439, 1281, 6945