Task: Program Execution
Input (English): 18, 22, ['Y', 'V', '6207', '7103', '7015', 'u', 'V', 'g', '5717', '3323', '1895', 'g', '2987', '3315', 'D', '5139', 'h', 'D', '9841', '1347', '145', 'X', '817', '1489', '1149']
Output (English): X, 145, 1347, 9841, D