// sarkany.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>

using namespace std;
int szam(int a, int b, int h, unsigned long long kereset) {
    int db = 0; 
    unsigned long long k = kereset;
    while (k > 0) {
        k /= 10;
        ++db;
    }
    if (kereset % a == 0 && kereset % b == 0 && db == h) {
        return kereset;
    }
    else if (db > h) return -1;
    return szam(a, b, h, kereset + 1);
}

int main()
{
    int a1, b1, h1, a2, b2, h2, a3, b3, h3; 
    cin >> a1 >> b1 >> h1>>a2>>b2>>h2>>a3>>b3>>h3;
    unsigned long long kereset=max(a1,b1);
    cout<<szam(a1, b1, h1, kereset)<<"\n";
    kereset = max(a2, b2);
    cout<<szam(a2, b2, h2, kereset)<<"\n";
    kereset = max(a3, b3);
    cout<<szam(a3, b3, h3, kereset)<<"\n";
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file