Task: Program Execution
Input (English): u, 9971, 3123, V, 6221, 7097, 73, 4959, k, 6797, p, a, 1473, H, o, 9979, G, a, 3603, 7613, v
Output (English): 9971, 3123, 6221, 7097, 73, 4959, 6797, 1473, 9979, 3603, 7613