Task: Program Execution
Input (English): u i 2399 W 8809 x 2507 D 7887 4475 F n N I W 3861 5975 b M l p 9319 P G 8475 2495 3687 W c
Output (English): 21, 9, 2399, 23, 8809, 24, 2507, 4, 7887, 4475, 6, 14, 14, 9, 23, 3861, 5975, 2, 13, 12, 16, 9319, 16, 7, 8475, 2495, 3687, 23, 3