Task: Program Execution
Input (English): 15, 22, ['D', 'Y', 'd', '4223', '6765', 'd', 'Y', 'R', '3017', '1151', '921', 'W', 'N', 'e', 'F', 'R', '7153', 'Q', '7573', '951', '2163', '1077', 'y', '599']
Output (English): 107721639517573Q7153RF