Task: Program Execution
Input (English): 6773, 3763, i, W, A, 5401, R, r, 4503, 9465, 9657, o, 9723, 7541, U, 4669, X, v, O, 5389
Output (English): 3, 4, 5, 7, 8, 12, 15, 17, 18, 19