Task: Program Execution
Input (English): G, 2553, 263, j, D, z, 5053, 5969, 8023, 4953, 5141, 9975, 7521, K, 8899, Q, 8429, 2445, 3085
Output (English): 2, 3, 7, 8, 9, 10, 11, 12, 13, 15, 17, 18, 19