Task: Program Execution
Input (English): 3, ['O', '1273', 'L', '831', '1283', 'Y', '6655', '7957', '3507', '2363', '9251', '495', '1081', 'T', '8655', '9411', '3825', '1161', 'O', '2211']
Output (English): O, 1273, L