#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll fd(ll n){
while(n>=10)
{
n/=10;
}
return n;
}
int main()
{
ll t;
cin>>t;
while(t--)
{
ll n;
cin>>n;
ll u = fd(n);
if(u>1)
{
cout<<1<<n<<endl;
}else if(u==1) {
string s=to_string(n);
cout<<s[0]<<0;
for(ll i=1;i<s.size();++i)
{
cout<<s[i];
}cout<<endl;
}
}
return 0;
}