func_code_string: #include<bits/stdc++.h>      #define mamun()         ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);   #define endl              n    #define tab               t    #define ll              long long   #define lli             long long int   #define pb              push_back   #define fin(file)       freopen(file .txt ,  r , stdin)   #define fout(file)      freopen(file .txt ,  w , stdout)   #define FOR(i, a, b)    for (int i=a; i<=b; i++)   #define loop(i, n)      for (int i=0; i<n; i++)   #define srt(v)          sort(v.begin(), v.end())   #define rsrt(v)         sort(v.rbegin(), v.rend())   #define Fill(ar, val)   memset(ar, val, sizeof(ar))   #define testcase()      ll t; cin>>t; while(t--)      using namespace std;      int main()   {       mamun();       //fin( input );          testcase()       {           ll n, Ecnt=0, Ocnt=0;           cin>> n;           vector<ll> v(2*n);              loop(i, 2*n) cin>> v[i];           // srt(v);              loop(i, 2*n)           {               if(v[i] % 2 == 0)               {                   Ecnt++;               }               else               {                   Ocnt++;               }           }           if(Ecnt == Ocnt)               cout<<  Yes  << endl;           else               cout<<  No  << endl;       }          return 0;   }   