Task: Program Execution
Input (English): 1415, p, 9795, O, D, r, 873, 1689, 4145, 5547, O, 7751, 627, Q, 1957, T, 3749, k, 7403, 2871
Output (English): p, O, D, r, O, Q, T, k, 1415, 9795, 873, 1689, 4145, 5547, 7751, 627, 1957, 3749, 7403, 2871