Task: Program Execution
Input (English): F, A, 6669, 4685, r, A, 6559, 2059, v, 6131, 9587, V, w, 25, k, c, t
Output (English): F, A, r, A, v, V, w, k, c, t, 6669, 4685, 6559, 2059, 6131, 9587, 25