Task: Program Execution
Input (English): 4, 4, ['7205', '1989', '3733', 'C', 'Z', 'e', 'm', 'W', 'c', 'O', 'C', 'U', 'K', '369', '3941', 'P', '7823', '5077', 'a', 'F', '387', 'W', '1699', 'k', 'x', 'u', '9941', 'Q', '9673', '4659']
Output (English): C, W, U, P, F, k, Q