Task: Program Execution
Input (English): 4707, Y, c, 1569, 677, 4773, h, 1079, 9689, H, 5369, T, F, I, 7045, 1319, 7161, 6001
Output (English): 1, 4, 5, 6, 8, 9, 11, 15, 16, 17, 18