Task: Program Execution
Input (English): k, 6243, 3957, 4389, N, t, 7253, j, 4717, 1475, 1323, 4157, 821, 1283, D, 7747, 9049, Q, 6085, O, l, L, 5823
Output (English): 2, 3, 4, 7, 9, 10, 11, 12, 13, 14, 16, 17, 19, 23