Task: Program Execution
Input (English): S, T, B, 2357, 2227, Z, Q, 7337, 2897, R, 4219, 9893, 103, 7941, 6937, 1287, C, 5973, 189, r, 2783, 4961, J
Output (English): 1, 2, 3, 6, 7, 10, 17, 20, 23