Task: Program Execution
Input (English): 4341 8815 7365 h 7311 8991 8963 n z 8805 o v a q i 7971 a 217 f k 5731 n z 5803 5523 u r n b
Output (English): a, b, f, h, i, k, n, o, q, r, u, v, z