Task: Program Execution
Input (English): 7511, 9267, 9531, 2905, k, c, x, I, x, D, P, 3065, u, 2029, N, r, 4953
Output (English): k, c, x, I, x, D, P, u, N, r, 7511, 9267, 9531, 2905, 3065, 2029, 4953