#include <iostream>

using namespace std;

bool checkPalindrome(long);

int main()
{
    int t;
    long *n = new long[t];
    cin >> t;
    for(int i = 0; i < t; i++)
        cin >> n[i];
    for(int i = 0; i < t; i++){
        long j = n[i];
        while(j++){
            if(checkPalindrome(j)){
                cout << j << endl;
                break;
            }
        }
    }
    delete []n;
    return 0;
}

bool checkPalindrome(long l)
{
    bool check = false;

    long x = l, s = 0;
    do {
    int a = x%10;
    x = x/10;
    s=10*s+a;
    } while(x!=0);

    if(s == l)
        check = true;

    return check;
}