Task: Program Execution
Input (English): 4, 16, ['227', 'n', 'S', 'U', 'R', '3359', 'b', '4747', 'h', '9727', '6129', 'F', 'Q', 'q', '5585', '8705', 'j', '2603', '1621', 'd', '565', '5047', 'X']
Output (English): UR3359b4747h97276129FQq55858705