#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
struct Node {
    int number;
    int cnt;
} a[6] = {{1, 2}, {2, 5}, {4, 4}, {6, 6}, {7, 3}, {8, 7}};
LL res = LONG_LONG_MAX;
int main() {
    int m;
    cin >> m;
    for (int n = 1;n<=m;n++){
        cout << n<<"=";
        if (n == 1)
            cout << "-1" << endl;
        else if (n == 2)
            cout << "1" << endl;
        else if (n == 3)
            cout << "7" << endl;
        else if (n == 4)
            cout << "4" << endl;
        else if (n == 5)
            cout << "2" << endl;
        else if (n == 6)
            cout << "6" << endl;
        else if (n == 7)
            cout << "8" << endl;
        else if (n == 17)
            cout << "200" << endl;
    else if (n % 7 == 1) {
            cout << "10";
            for (int i = 1; i < n / 7; i++) cout << "8";
            cout << endl;
    }
    else if(n%7==2){
        cout << "1";
        for (int i = 1; i <= n / 7; i++) cout << "8";
    cout << endl;
    }
    else if(n%7==3){
        if (n == 10) cout << "22";
        else {
            cout << "200";
            for (int i = 1; i <= n / 7-2; i++) cout << "8";
        }
        cout << endl;
    }
    else if(n%7==4){
        cout << "20";
        for (int i = 1;i<n/7;i++)cout<<"8";
    cout<<endl;
    }
    else if(n%7==5){
        cout << "2";
        for (int i = 1; i <= n/7; i++)cout<<"8";
        cout << endl;
    }
    else if(n%7==6){
        cout << "6";
        for (int i = 1; i <= n/7; i++)
        cout<<"8";
    
    cout<<endl;}
    else if(n%7==0){
        for (int i = 1; i <= n/7; i++)
        cout<<"8";
    
    cout<<endl;}
    }
        return 0;
}