Task: Program Execution
Input (English): O, 5855, 6995, 4113, 8261, 3273, H, 7177, 4383, 3015, o, 4079, 2547
Output (English): O, H, o, 5855, 6995, 4113, 8261, 3273, 7177, 4383, 3015, 4079, 2547