Task: Program Execution
Input (English): 1073 8893 6735 5557 3665 B k U 1899 7961 7397 x z X u 5101 8191 6553 9239 607 1157 9021 E l P 5573 9747
Output (English): B, k, U, x, z, X, u, E, l, P, 1073, 8893, 6735, 5557, 3665, 1899, 7961, 7397, 5101, 8191, 6553, 9239, 607, 1157, 9021, 5573, 9747