Task: Program Execution
Input (English): 527, 9373, b, 2973, o, 5843, p, 7475, f, 3007, 4387, 1143, T, 4827, I
Output (English): b, o, p, f, T, I, 527, 9373, 2973, 5843, 7475, 3007, 4387, 1143, 4827