Task: Program Execution
Input (English): 3, 10, ['W', 'r', 'D', 'M', 'k', '9401', '4611', 'M', '9539', 'Q', '1909', '8263', 'W', '7127', '9633', '5729', 'a', 'H', 'a', '1321', '2209']
Output (English): D, W