Task: Program Execution
Input (English): 3, 4, ['T', 'X', 'f', 'K', '6137', '6239', 'M', '7703', 'C', 't', 'f', 'r', '6403', '9127', '1947', '6393', '3935', '5861', '7731', '2801', '3057', '6469', 'T', 'r', 'C', '3495', 'i', '3989']
Output (English): f, K