Task: Program Execution
Input (English): T, 4697, 4857, w, 985, g, o, l, i, 7475, k, 6969, 2181, G, t
Output (English): 20, 4697, 4857, 23, 985, 7, 15, 12, 9, 7475, 11, 6969, 2181, 7, 20