Task: Program Execution
Input (English): 7261 2209 5821 d q 7389 3839 t w q n f o 5653 397 8929 9017 7885 8211 i 975 8081 v c 7391 8921 2273 q 9305
Output (English): c, d, f, i, n, o, q, t, v, w