Task: Program Execution
Input (English): 6833 581 6585 g l 4937 d i 5597 d 9303 6345 2201 o c z 9783 r s t u l 2997 c 1401 3137 l 2271 n k c 1321 l 4439 r
Output (English): c, d, g, i, k, l, n, o, r, s, t, u, z