Task: Program Execution
Input (English): t, 5319, f, j, Z, 1803, 779, 9997, g, u, h, I, B, 1, o, y, d, 5365, M, f
Output (English): 1, 3, 4, 5, 9, 10, 11, 12, 13, 15, 16, 17, 19, 20