Task: Program Execution
Input (English): 9, 12, ['9153', '8977', '3027', '6151', 'E', '539', 'F', 'r', '2579', 'U', '6287', '5121', '1217', '1185', 'R', '6043', '1047', 'q', '2187', '2805']
Output (English): 51216287U2579