Task: Program Execution
Input (English): K, b, F, O, 4069, U, H, U, X, U, 3945, 6439, 7015, 4273, O, 5697, 3393, 7923, 1907, 7941
Output (English): 4069, 3945, 6439, 7015, 4273, 5697, 3393, 7923, 1907, 7941