Task: Program Execution
Input (English): 6281, 4917, 4905, l, Q, 9671, 8957, f, J, 3745, q, X, 6831, T, y, 6545, X, W, N
Output (English): 6281, 4917, 4905, 9671, 8957, 3745, 6831, 6545