Task: Program Execution
Input (English): n d j j s e x l 4535 3059 l 9213 i 2981 j 7619 c z 2085 l s 3125 103 w s a t k o 3955 241 2227
Output (English): a, c, d, e, i, j, k, l, n, o, s, t, w, x, z