Task: Program Execution
Input (English): 451, z, 5509, 8445, 4275, 6395, 9699, 3871, 1353, 653, 6301, 2527, 2247, j, 191, x, r, 4767
Output (English): 451, 5509, 8445, 4275, 6395, 9699, 3871, 1353, 653, 6301, 2527, 2247, 191, 4767