Task: Program Execution
Input (English): 13, 15, ['6321', '9687', '1207', '5637', '8485', 'N', '6485', 's', '8811', '4461', '1403', '5871', 'N', '3641', '6635', '3925', 'G', 'z', '7591', '7305', '7531', 'C', '6567', 'Y']
Output (English): 53661463N