Task: Program Execution
Input (English): 6327, 6941, D, G, 5597, 1169, 6251, 5611, U, T, 4663, 5597, U, 5271, 483, A, 151, 1945, G, 937, b
Output (English): 3, 4, 9, 10, 13, 16, 19, 21