Task: Program Execution
Input (English): U, G, C, 7771, 6597, 5215, W, 563, 5139, 6997, 8829, T, 4787, 6803, a, 4209, e, g, 1899, k, B, 4389, 4721, J
Output (English): 4, 5, 6, 8, 9, 10, 11, 13, 14, 16, 19, 22, 23