Task: Program Execution
Input (English): 7427, 3515, 7523, 4159, 3001, 2821, h, D, p, R, 5721, O, M, 9639, i, y, O, 2093, K
Output (English): h, D, p, R, O, M, i, y, O, K, 7427, 3515, 7523, 4159, 3001, 2821, 5721, 9639, 2093