Task: Program Execution
Input (English): 7177, 8513, 689, 6741, 7449, V, 1427, 7157, d, 267, G, u, f, m, 8837, 1883, 9697, T, 3647, g, v, 7973, 3785
Output (English): 1, 2, 3, 4, 5, 7, 8, 10, 15, 16, 17, 19, 22, 23