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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int a,b;
  6. cin>>a>>b;
  7. cout<<b<<" "<<a;
  8. return 0;
  9. }
Success #stdin #stdout 0s 5288KB
stdin
1 2
stdout
2 1