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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int i;
  6. while(!cin.eof())
  7. {
  8. cin >> i;
  9. cout << i;
  10. }
  11. // your code goes here
  12. return 0;
  13. }
Success #stdin #stdout 0s 3100KB
stdin
1 2 3 4 
stdout
12344