Task: Program Execution
Input (English): 15, 20, ['C', '913', 'E', '7921', '7335', 'y', '1801', '1789', '7901', 'E', 'i', '8167', 'o', '5085', 'B', '9099', 'O', 'f', '1681', '6817', '4945', 'E', '6353']
Output (English): 6817, 1681, f, O, 9099, B