Task: Program Execution
Input (English): 1, 7, ['3891', 'L', 'K', 'R', '3627', '6551', '4499', 'i', 'i', 'W', 'q', '9223', 'a', '8753', 'F', '2943', 'N', 'A', 'U', '2283']
Output (English): 994415567263RKL1983