Task: Program Execution
Input (English): 7881, 2867, t, 1669, 451, 7603, v, 9769, b, 6955, Z, 5473, R, 7517, 5337
Output (English): 7881, 2867, 1669, 451, 7603, 9769, 6955, 5473, 7517, 5337