Codeforce A. Two Bags of Potatoes

1. #include< iostream >
2. using namespace std;
3. int main()
4. {
5. int y, k, n;
6. cin >> y >> k >> n;
7. int x = k - y%k;
8. if(x+y > n) return cout << -1 << endl , 0;
9. for(int i = x ; i <= n-y; i+=k)
10. cout << i << " ";
11. return 0;
12. }