Task: Program Execution
Input (English): K, 5539, w, 779, 2323, 4579, W, 7253, 3159, 3315, 2233, d, K, 9837, 2835, 1527
Output (English): 5539, 779, 2323, 4579, 7253, 3159, 3315, 2233, 9837, 2835, 1527