27 lines
446 B
C++
27 lines
446 B
C++
/// Gheorghies Alexandru
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#include<bits/stdc++.h>
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using namespace std;
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typedef long long ll;
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typedef pair<ll,ll> pll;
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const ll NMAX=1e5+5;
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void tc(){
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ll n;
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bool good=1;
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cin>>n;
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for(ll i=1;i<=n;i++){
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ll x; cin>>x;
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if(x%2!=i%2) good=0;
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}
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cout<<(good?"YES":"NO")<<'\n';
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}
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int main()
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{
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ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
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ll t; cin>>t; while(t--)
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tc();
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return 0;
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}
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