Task: Program Execution
Input (English): F, 7643, Y, 9019, 7851, 2617, 521, p, Z, T, O, 5305, B, t, 1843, Q, M, u, 4811
Output (English): 1, 3, 8, 9, 10, 11, 13, 14, 16, 17, 18