Task: Program Execution
Input (English): F, 7507, 2533, O, 2733, r, a, 989, 9315, 3543, O, 9365, f, 6393, 7303, G, p, 3495, 6729
Output (English): 6, 7507, 2533, 15, 2733, 18, 1, 989, 9315, 3543, 15, 9365, 6, 6393, 7303, 7, 16, 3495, 6729