Task: Program Execution
Input (English): [9521, 'b', 'r', '9683', 'h', 'y', '3973', '5169', '5539', 'p', '5999', '4193', 'K', 'y', 9221, 2843, 8765, 4327], [8471, 39, 'e', 8873, 'E', 8913, '9683', 'h', 'y', '3973', '5169', '5539', 'p', '5999', '4193', 'K', 'u', 1875, 'o', 325, 4189]
Output (English): 9683, h, y, 3973, 5169, 5539, p, 5999, 4193, K