Task: Program Execution
Input (English): C, E, 1439, 5275, U, W, 6591, T, 7891, X, b, O, 8683, 3093, l, 435, 6621, u, 1305, x
Output (English): 3, 5, 1439, 5275, 21, 23, 6591, 20, 7891, 24, 2, 15, 8683, 3093, 12, 435, 6621, 21, 1305, 24