Task: Program Execution
Input (English): D, b, 7169, D, m, I, 8417, s, 931, N, 7271, K, 4523, A, 507, 4681, i, Q, g, 6927, 9377, r, 1495, E
Output (English): 3, 7, 9, 11, 13, 15, 16, 20, 21, 23