Task: Program Execution
Input (English): 6679 9703 3831 v 1981 z q o 8963 3235 1407 j 9409 w c 8393 s 3647 t 3603 g 1135 7775 u n 4113 e w z e 4131 8985 g 8585 1289
Output (English): c, e, g, j, n, o, q, s, t, u, v, w, z