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#include <bits/stdc++.h>
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#define endl '\n'
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using namespace std;
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typedef long long ll;
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bool solve(){
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    string str;
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    cin>>str;
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    ll len=str.size();
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    for(ll i=0;i<len;i++){
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        if(str[i]!=str[len-i-1])return false;
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    }
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    return true;
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}
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int main(){
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    ll t;
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    cin>>t;
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    while(t--){
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        if(solve())cout<<"yes"<<endl;
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        else cout<<"no"<<endl;
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    }
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    return 0;
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}