Task: Program Execution
Input (English): 7833, m, 6021, H, 6125, X, 7537, L, 2267, 3505, 8735, z, B, b, 4745, 641, u, 4745, 4425, N, w, r
Output (English): 1, 3, 5, 7, 9, 10, 11, 15, 16, 18, 19