Task: Program Execution
Input (English): 6615, X, 525, 951, O, a, a, l, K, 9373, P, G, 3213, Y, K, E, L, 6643, 3091, 2655, 3915, 4739, w, 4321
Output (English): 6615, 525, 951, 9373, 3213, 6643, 3091, 2655, 3915, 4739, 4321