Task: Program Execution
Input (English): 20, 23, ['4633', 'd', '5099', 'E', '905', '5261', '4317', 'e', 'u', 'n', '1435', 'M', '2921', '4307', '2205', '8179', 'M', 'k', 'B', 'q', '4843', 'R', '6171', 'Z']
Output (English): q4843R6171