Task: Program Execution
Input (English): 6731, 8397, 3619, T, y, u, 6585, z, 5637, Q, b, 2497, 7427, 4899, k, 8915, I, A, c, j, 631, 189, y
Output (English): T, y, u, z, Q, b, k, I, A, c, j, y