Task: Program Execution
Input (English): 451, 7735, 7963, 2187, 7551, X, s, 7829, Q, W, 9379, 5343, 7975, 2107, 7495, A, s, q
Output (English): 1, 2, 3, 4, 5, 8, 11, 12, 13, 14, 15