Task: Program Execution
Input (English): 1639, n, m, 387, l, u, i, 8269, C, 209, 6319, O, 7207, l, P, 8051, a, 4507, f, k, 3765, 9611, 2319, W
Output (English): 2, 3, 5, 6, 7, 9, 12, 14, 15, 17, 19, 20, 24