Task: Program Execution
Input (English): b, a, 9735, S, 9715, 847, 9169, j, m, 7969, 407, 4881, C, H, 5591, W, t, 9211, a, 9483, J
Output (English): 3, 5, 6, 7, 10, 11, 12, 15, 18, 20