Task: Program Execution
Input (English): 5, 13, ['p', '523', '8935', 'H', 'f', '3451', 'X', 'y', '3391', '907', 'W', 'E', 'i', 'Z', '2933', '9295', 's', 'r', '553', 'E', '2693', '2333', 'c', '1883', 'D', 'm']
Output (English): f, r