#include <iostream>
using namespace std;

int main() 
{
int t;
cin>>t;
while(t--){
  int n;
  cin>>n;
  int count=0;
  for(int i=0;i<2*n;i++){
    int z;
    cin>>z;
    if(z%2!=0) count++;
  }
  if(count==n) cout<<"yes"<<endl;
  else cout<<"no"<<endl;
}
}