Task: Program Execution
Input (English): 7937, B, 9077, 2199, 3697, H, 8801, 2237, 8365, 2695, 587, 1243, o, 5995, s, 8357, 1261, 529, 7529, n, 4207
Output (English): 1, 3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 16, 17, 18, 19, 21