Task: Program Execution
Input (English): 6129, c, 6701, 3951, 2537, 5113, 2563, u, 7007, 4233, S, b, x, 1881, L, 4481, G, 1823, 3383, k, 7389, P, 5529, E
Output (English): 1, 3, 4, 5, 6, 7, 9, 10, 14, 16, 18, 19, 21, 23