#include
using namespace std;
int main(){
int n;
cin>>n;
while(n>0)
{
long long int a;
cin>>a;
a++;
while(true)
{
long long int b = a;
long long int x =0;
while(b>0)
{
int z = b%10;
x = (x*10)+z;
b = b/10;
}
if(x == a)
{
cout<<a<<endl;
break;
}
a++;
}
n--;
}
}