Team Formation For Snackdown

problem id:--https://www.codechef.com/SNCKPA17/problems/TEAMFORM

code:--

#include<iostream>

using namespace std;

int main()

{

int t;

cin>>t;

while(t--)

{

int n,m;

cin>>n>>m;

for(int i=1;i<=m;++i)

{

int num;

cin>>num>>num;

}

string ans[]={"yes","no"};

cout<<ans[n&1]<<'\n';

}

return 0;

}