Task: Program Execution
Input (English): 2109, n, 2377, T, 9831, Y, 3921, l, Q, 5711, B, 6047, 8905, Z, 8337, y, 7805, v, 1967, u, Y, 8391, 9219
Output (English): n, T, Y, l, Q, B, Z, y, v, u, Y