Task: Program Execution
Input (English): 16, 19, ['E', 'w', '963', 'X', '1651', 'K', '6393', 't', '4719', 'M', 'U', '1723', 'O', 'r', '7361', '5821', 'a', '5865', 'M', 'A', '4699', 'x', '2115', 'Z', '1263', '6215']
Output (English): M5865a5821