Task: Program Execution
Input (English): 3, 17, ['X', '1621', 'P', '5223', 'B', '1147', 'y', 'y', '6553', 'g', 'n', 'U', 'D', 'z', '2435', 'R', 'P', 'z', 'G', '2815', '5265']
Output (English): P, R, 2435, z, D, U, n, g, 6553, y, y, 1147, B, 5223, P