Task: Program Execution
Input (English): a, v, 4885, A, f, 8869, 7423, 5433, 1889, 9129, 3573, 7119, I, 9927, 4321, G, i, 187, 529, 2931, 9167
Output (English): 3, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21