Task: Program Execution
Input (English): 2099, i, 4997, 1389, 6825, Y, 9209, Y, a, 5563, K, 259, 2561, 5967, N
Output (English): i, Y, Y, a, K, N, 2099, 4997, 1389, 6825, 9209, 5563, 259, 2561, 5967