Task: Program Execution
Input (English): x, s, 1929, W, 2699, k, J, Q, z, C, r, 7053, y, W, D, 6577, 6609, t, 6479, 901, 7041
Output (English): 1929, 2699, 7053, 6577, 6609, 6479, 901, 7041