Task: Program Execution
Input (English): 2, 9, ['5243', 'D', '9867', 'k', '3867', '4803', 'D', '9229', '8393', '7045', 'B', 'U', 'Q', 'a', '4661', '6553', 'l', 'Z', '4845', '1919', 'Q', '2817', '3699', '4599']
Output (English): D, B, 1919