Task: Program Execution
Input (English): 5, ['y', '1143', '8545', '9909', 'Y', '9955', '7813', 'L', 'T', '8645', 'G', 'A', '4231', '4567', 'F', 'A', '4623']
Output (English): y, 1143, 8545, 9909, Y