Task: Program Execution
Input (English): 2, 18, ['x', '2331', 'E', 'D', '1463', 'J', '2029', '2425', 'Q', 'j', '4983', 'q', 'y', 'B', '2001', 'f', 'F', 'c', '3813', 'Q']
Output (English): 2331ED1463J20292425Qj4983qyB2001fFc