Task: Program Execution
Input (English): 7423, 659, 1009, Q, E, 4055, B, 7019, n, M, B, 2159, 331, 7729, 6785, 8307, b, L, U, 1717, 6347, j, S
Output (English): Q, E, B, n, M, B, b, L, U, j, S