Task: Program Execution
Input (English): 7775, V, 4619, 4961, 6263, 4967, 8161, 7935, r, 6623, T, K, P, 2265, 5953, 9357, U, 3033, u, E, 6279, Y, Q, H
Output (English): 1, 3, 4, 5, 6, 7, 8, 10, 14, 15, 16, 18, 21