Task: Program Execution
Input (English): h 2291 8937 g 7299 z 3339 g y 3265 f 6663 c 9281 1853 4273 6933 7975 q m t 3679 4205 r 2849 i 1857 f i 9601 u u
Output (English): c, f, g, h, i, m, q, r, t, u, y, z