The Owl and the Fox Solution:

#include <bits/stdc++.h>

using namespace std;

int add(int num){
    int total = 0;
    for(char c: to_string(num)){
        total += c - '0';
    }
    return total;
}

int main(){
    // #ifndef TESTING
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
    // #endif

    int cases;
    cin >> cases;
    while(cases--){
        string num;
        cin >> num;
        int sum = 0;
        for(char c: num){
            sum += c - '0';
        }
        if(sum == 1){
            cout << 0 << endl;
        } else {
            int ans = stoi(num) - 1;
            while(add(ans) != sum -1){
                ans--;
            }
            cout << ans << endl;
        }
    }

    return 0;
}