Task: Program Execution
Input (English): U, r, 6121, 8823, t, 6815, l, D, 2421, G, 7877, i, B, 781, c, A, 4021, 8813
Output (English): 21, 18, 6121, 8823, 20, 6815, 12, 4, 2421, 7, 7877, 9, 2, 781, 3, 1, 4021, 8813