#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int a,b,c;
  cin>>a>>b>>c;
  vector<int> S={};
  for(int i=1;i<=1e6;i++){
      int x = a*i;
      if(x > b) x -= b;
      if(x == c) S.push_back(i);
  }
  for(auto x:S) cout<<x<<endl;
  if(S.size() == 0) cout<<-1<<endl;
}