Task: Program Execution
Input (English): u, 1743, t, n, 6215, c, q, 5555, 1611, 2253, g, l, k, 459, j, 8545, k, r, 629, w, 3713, 4533, 1223, 1373
Output (English): c, g, j, k, l, n, q, r, t, u, w