Task: Program Execution
Input (English): C, 2149, 3723, 3301, k, 7087, W, v, 2441, 4899, h, 5373, I, 2303, 7831, Q, 4179, c, 9385, 821, G, 6013
Output (English): C, k, W, v, h, I, Q, c, G, 2149, 3723, 3301, 7087, 2441, 4899, 5373, 2303, 7831, 4179, 9385, 821, 6013