Task: Program Execution
Input (English): Y, o, 4731, 377, 2625, k, g, 5657, l, 3003, i, k, 6579, 6789, R, 5079, 8757
Output (English): 4731, 377, 2625, 5657, 3003, 6579, 6789, 5079, 8757