Task: Program Execution
Input (English): d, l, F, K, J, H, 1061, 3561, 5611, 1713, 4185, 8389, P, 2467, 8001, 5841, N, j, C, D, p, 6985, 2409, 9901
Output (English): 1, 2, 3, 4, 5, 6, 13, 17, 18, 19, 20, 21