Task: Program Execution
Input (English): 8609, L, c, 1777, x, Q, H, 6463, U, 2291, m, 4151, 6183, 7821, 3281, 7713, G, 8251, n
Output (English): L, c, x, Q, H, U, m, G, n, 8609, 1777, 6463, 2291, 4151, 6183, 7821, 3281, 7713, 8251