Task: Program Execution
Input (English): A, 3993, 5113, K, 6671, 7181, B, 9041, 875, R, 2773, 6721, 7797, H, O, X, J, 8831, 8263, L, Y, 8429
Output (English): 2, 3, 5, 6, 8, 9, 11, 12, 13, 18, 19, 22