Task: Program Execution
Input (English): q, 2835, i, x, 9559, W, 5443, t, 1101, U, 4451, s, u, 2951, H, C, 1777, 8897, 8001, 7011, L, E
Output (English): q, i, x, W, t, U, s, u, H, C, L, E