Task: Program Execution
Input (English): 587, 3903, z, l, k, 5693, x, 1695, c, 3185, g, 9491, 8185, 1285, 2533, 6825, 3187, 6039, e, 251, w, 7741, 9573
Output (English): c, e, g, k, l, w, x, z