Task: Program Execution
Input (English): U, 2053, 4703, 8359, U, r, 1947, 4205, 6819, 9843, 4383, w, V, 711, 5089, 1539, 651, r, 3135, 1797
Output (English): 21, 2053, 4703, 8359, 21, 18, 1947, 4205, 6819, 9843, 4383, 23, 22, 711, 5089, 1539, 651, 18, 3135, 1797