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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main ()
  5. {
  6. int x;
  7. long long y;
  8. cin >> x >> y;
  9. cout << (x << y);
  10. }
  11.  
Success #stdin #stdout 0s 4220KB
stdin
1 40
stdout
256