Each of identical balls was labeled with one of the numbers , , , , , 2^{n-1}. Having checked that all the numbers on the balls were different, the balls were placed in a black box. Petya took out several balls, found the sum of the numbers on them and got the result . Print the numbers on the balls that Petya took out.
One integer (1 \leq m \leq 10^9).
Print the balls numbers in increasing order.
Example 1