Task: Program Execution
Input (English): 5663, 2725, 6311, 4547, u, 5683, 7811, 4365, g, r, r, 1985, Z, u, a, 6091, 6137, f, r
Output (English): 5663, 2725, 6311, 4547, 5683, 7811, 4365, 1985, 6091, 6137