Task: Program Execution
Input (English): 7595, 3631, f, 1445, K, 4333, s, 8517, x, j, h, L, 1363, 8531, t, e, 5373, 8755, 3143, v, Q, 7223, r, C
Output (English): 3, 5, 7, 9, 10, 11, 12, 15, 16, 20, 21, 23, 24