Task: Program Execution
Input (English): u, 2861, 51, 767, e, Z, V, 3357, q, 6407, 7891, H, J, W, 8761, O, R, 1111, G, f, R, 1659
Output (English): 2861, 51, 767, 3357, 6407, 7891, 8761, 1111, 1659