Task: Program Execution
Input (English): x, 7739, 5565, O, 9683, d, 447, M, h, 8799, 3161, j, 7841, 5251, G, J, 1541, 8949, u
Output (English): 7739, 5565, 9683, 447, 8799, 3161, 7841, 5251, 1541, 8949