Task: Program Execution
Input (English): 3819, 6919, 9687, u, O, 4169, W, 3741, h, 15, 1693, 5625, z, Z, q, h, 3843, I, k, E, 4843
Output (English): 3819, 6919, 9687, 4169, 3741, 15, 1693, 5625, 3843, 4843