Codeforce A. Vasya and Digital Root

1. #include< iostream >
2. using namespace std;
3.  
4. int main()
5. {
6. int k, d;
7. cin >> k >> d;
8. if(d == 0 and k > 1) return cout << "No solution\n", 0;
9. cout << d ;
10. while(--k) cout << 0 ;
11. return 0;
12. }