Task: Program Execution
Input (English): 2953, 2653, X, B, v, A, 8701, p, 9303, p, 2631, Q, 2141, 4459, 7099, 4705, n, 9911, 5115, 1499
Output (English): 2953, 2653, 8701, 9303, 2631, 2141, 4459, 7099, 4705, 9911, 5115, 1499