Task: Program Execution
Input (English): b, 4563, 4891, 6099, w, 8503, 4391, p, Q, 1403, B, k, 6855, b, s, 6693, d, 3661
Output (English): 2, 4563, 4891, 6099, 23, 8503, 4391, 16, 17, 1403, 2, 11, 6855, 2, 19, 6693, 4, 3661