Task: Program Execution
Input (English): 9109, P, 8537, x, d, 519, T, g, 7397, 5551, 1161, J, 6669, z, 3277, 1991, n, s, 5413, f, 3923, 8851, 9553
Output (English): 9109, 8537, 519, 7397, 5551, 1161, 6669, 3277, 1991, 5413, 3923, 8851, 9553