Task: Program Execution
Input (English): 4, 20, ['N', 'G', '7641', 'B', 'Q', 'O', 'F', 'X', 'C', 'W', 'v', 'Q', 'u', '5955', '793', '9775', 't', 'n', '5027', 'P', 'H', '3955']
Output (English): P, 5027, n, t, 9775, 793, 5955, u, Q, v, W, C, X, F, O, Q, B