Task: Program Execution
Input (English): b, D, 4039, 525, 9291, K, G, 5879, U, u, 8103, y, A, 3921
Output (English): 2, 4, 4039, 525, 9291, 11, 7, 5879, 21, 21, 8103, 25, 1, 3921