Task: Program Execution
Input (English): 419, C, h, a, 9009, N, 1435, P, n, F, n, I, I, u, 8771, 7395, 7643, F, k, 1817, 5325
Output (English): 419, 9009, 1435, 8771, 7395, 7643, 1817, 5325