import java.util.* ;
import java.lang.* ;
import java.io.* ;
class twoNum
{
public static void main
( String args
[ ] ) {
Scanner sc
= new Scanner
( System .
in ) ; int t= sc.nextInt ( ) ;
while ( t> 0 )
{
int p,q;
int a= sc.nextInt ( ) ;
int b= sc.nextInt ( ) ;
int n= sc.nextInt ( ) ;
int c= n/ 2 ;
int d= n- c;
if ( d- c== 0 )
{
if ( a> b)
{
p= a;
q= b;
}
else
{
p= b;
q= a;
}
}
else if ( d- c> 0 )
{
a= a* 2 ;
if ( a> b)
{
p= a;
q= b;
}
else
{
p= b;
q= a;
}
}
t--; }
}
}
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