import java.util.*;
class Solution
{
public static void main
(String[]args
) {
Scanner s
=new Scanner
(System.
in); int n=s.nextInt();
int count=0;
while(n!=0)
{
if((n&1)==1)
{
count++;
}
n=n>>1;
}
if(count==1)
{
}
else
{
}
}
}
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