Task: Program Execution
Input (English): r, 61, g, N, 8235, 4739, u, 7323, n, x, 8817, 1559, 2021, 1689, e, U
Output (English): 18, 61, 7, 14, 8235, 4739, 21, 7323, 14, 24, 8817, 1559, 2021, 1689, 5, 21