Task: Program Execution
Input (English): 3, 16, ['P', 'P', '955', 'Q', '7793', '2567', 'Y', '4647', '895', 'z', 'k', 'Y', '8323', '4259', '5599', 'r', 'y', 'x']
Output (English): r995595243238Ykz5987464Y76523977Q559