Task: Program Execution
Input (English): 6877 E Z 83 F 6959 W y 3105 5203 D 6869 8455 I 8685 6127 3093 b 7499 4891 6977 3645 9621 W 3619 t 7953 2993 s 7523 f h F b 8705 i
Output (English): 6877, 5, 26, 83, 6, 6959, 23, 25, 3105, 5203, 4, 6869, 8455, 9, 8685, 6127, 3093, 2, 7499, 4891, 6977, 3645, 9621, 23, 3619, 20, 7953, 2993, 19, 7523, 6, 8, 6, 2, 8705, 9