Task: Program Execution
Input (English): 5153, 9417, e, L, k, W, l, a, X, Q, G, 2677, j, S, 2251, L, D, 6195, M, 5745, l
Output (English): 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 16, 17, 19, 21