Task: Program Execution
Input (English): u, s, 7575, c, 2341, 1891, 3375, w, 1185, 139, 6223, 1115, 1641, 8101, q, z, d, 147, 1727, 9611, 6229, 2467, 4205
Output (English): c, d, q, s, u, w, z