Task: Program Execution
Input (English): 6, ['9507', '615', 'R', 'c', '1533', 'O', '5599', '1803', '9495', 'b', '751', 'R', '4857', 'o', 't', 'A', '6647', '147', 'U', 'c', 'j', '5977', 's', '8371', '93', '3053', 'x', '3013', '615', '2937', '601', '6549']
Output (English): 9507, 5599, 4857, U, 93, 601