Task: Program Execution
Input (English): 6583, Y, 4753, f, r, K, c, S, V, 6879, 2301, 2895, 9921, 911, 4529, D, u, t, l, q, 6139, b
Output (English): 6583, 4753, 6879, 2301, 2895, 9921, 911, 4529, 6139