Task: Program Execution
Input (English): 2583, 4767, 6259, 9287, 7265, z, u, X, 2037, 6485, x, F, 2169, P, 7109, G, C, 3489, 5367, 8935, X, 9121, Q, B
Output (English): 6, 7, 8, 11, 12, 14, 16, 17, 21, 23, 24