Task: Program Execution
Input (English): B, a, A, I, 6013, 603, 3963, Y, b, D, T, 8999, 9565, 6393, o, S, 8745, 957, N, 6393, B
Output (English): 6013, 603, 3963, 8999, 9565, 6393, 8745, 957, 6393