#include <iostream>
#include <cmath>
using namespace std;
long long int gcd(long int a, long int b) {
    if(b == 0)return a;
    else return gcd(b, a % b);
}
long long lcm(long long a, long long b) {
    return (a / gcd(a, b)) * b;
}
void rejtveny (long long a, long long b, long long n)
{
        long long lkkt=lcm(a, b);
        long long szj=0, s=lkkt;
        while(s)
        {
            s=s/10;
            szj++;
        }
        if(szj>n)cout<<-1;
        else{
        cout<<lkkt;
        for(szj; szj<n; szj++)
        {
            cout<<0;
        }
    }
}
int main()
{
    long long a1, b1, n1, a2, b2, n2, a3, b3, n3;
    cin>>a1>>b1>>n1;
    cin>>a2>>b2>>n2;
    cin>>a3>>b3>>n3;
    rejtveny(a1, b1, n1);
    cout<<endl;
    rejtveny(a2, b2, n2);
    cout<<endl;
    rejtveny(a3, b3, n3);
    return 0;
}