Task: Program Execution
Input (English): 10, 18, ['4619', 'W', '6615', 'C', 'U', 'i', 's', '8197', '2365', '7475', '47', 'S', '7197', '8603', '9841', '7251', 'N', '8261']
Output (English): 747547S7197860398417251N8261