Task: Program Execution
Input (English): 2, 7, ['Q', '373', '2783', 'W', '2291', '471', '2363', '9401', '1229', '1447', '7687', 'L', '7937', 'N', 'W', '3025', 'r', '5193', '7537']
Output (English): 23634712291W2783373