Task: Program Execution
Input (English): 181, 8173, E, 6423, Y, 2989, 4927, z, 4319, C, 1869, 6361, d, 5941, L, t, 4957, b
Output (English): 181, 8173, 6423, 2989, 4927, 4319, 1869, 6361, 5941, 4957