Task: Program Execution
Input (English): 2625, 6999, 2967, 6263, e, 863, a, 8493, 1271, 7693, 201, 9967, 3857, 6405, T, 1413, F, p, n, 1371, k, G, B
Output (English): 1, 2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 14, 16, 20