Task: Program Execution
Input (English): o, S, I, 639, 9281, 5667, 4633, p, 4169, m, 2509, 6795, K, 2107, 8839, 6135, 1989, 3567, 3631, n, x, Z
Output (English): 639, 9281, 5667, 4633, 4169, 2509, 6795, 2107, 8839, 6135, 1989, 3567, 3631