Codeforce A. Life Without Zeros

1. #include< iostream >
2. using namespace std;
3. int withOutZero(int n){
4. int ans = 0;
5. while(n != 0) {
6. if(n%10 != 0)
7. ans = n%10 + (ans *10) ;
8. n /= 10;
9. }
10. return ans;
11. }
12. int main(){
13. int n, m;
14. cin >> n >> m;
15. if(n == m) return cout << "YES" << endl, 0;
16. int ans = n+m;
17. ans = withOutZero(ans);
18. ans = withOutZero(ans);
19. n = withOutZero(n);
20. n = withOutZero(n);
21. m = withOutZero(m);
22. m = withOutZero(m);
23. if(ans == n+m) cout << "YES" << endl;
24. else cout << "NO" << endl;
25. return 0;
26. }