Task: Program Execution
Input (English): 3, 10, ['8663', 'g', '1381', 'c', '3175', '9221', 'H', '975', '1505', 'J', '139', '7705', '7515', '2551', 'B', '4451', 'I', '6901', '1989', 'U']
Output (English): 1381, 7515