Task: Program Execution
Input (English): o, 4635, v, 2301, l, 291, u, 707, 1731, 9941, 4825, Q, 6513, 8413, U, 2621, Q, 8555, b
Output (English): 15, 4635, 22, 2301, 12, 291, 21, 707, 1731, 9941, 4825, 17, 6513, 8413, 21, 2621, 17, 8555, 2