Task: Program Execution
Input (English): p, t, u, q, 6143, 7627, N, 9611, e, G, 2033, 6875, C, 8081, 105, 155, T, 9429, 2101, l, Y, y, y, 9655
Output (English): 1, 2, 3, 4, 7, 9, 10, 13, 17, 20, 21, 22, 23