Task: Program Execution
Input (English): 12, 20, ['3039', '5855', 'd', 'X', 'L', 'k', '6059', '2307', 'L', '2911', '4925', '8451', 'k', 'R', 'N', 'c', 'r', 'g', '5997', 'X', 'b']
Output (English): 8451, k, R, N, c, r, g, 5997, X