Task: Program Execution
Input (English): 3, 4, ['4263', 'L', 'G', '4311', '7369', 'W', 'D', 'r', 'h', '8329', '9573', 'y', 'B', 'e', '9609', '9907', 'y', '4587', 't', 'y', '6527', '7737']
Output (English): 4311G