#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    long long A, B, C;
    cin >> A >> B >> C;
    vector<long long> ans;
    for( long long N = 1; N <= 10000000; N++ ) {
        long long n = N;
        n *= A;
        if( n-B > 0 ) {
            n -= B;
        }
        if( n == C ) {
            ans.emplace_back(N);
        }
    }
    if( ans.size() == 0 ) {
        cout << -1 << endl;
    }else {
        for( long long& N : ans ) {
            cout << N << endl;
        }
    }
}