Task: Program Execution
Input (English): 8473, 2753, M, 6171, u, n, 6585, 6341, G, z, 5361, 8739, C, 9489, Y, T, g, i, M, 1153, y, 9575, 8607
Output (English): 1, 2, 4, 7, 8, 11, 12, 14, 20, 22, 23