Task: Program Execution
Input (English): B, c, 433, 5917, 2829, w, S, u, 5741, 707, 5499, h, 4307, V, 3349, 2743, W, V, 537, 8081, W, U, 653, J
Output (English): 3, 4, 5, 9, 10, 11, 13, 15, 16, 19, 20, 23