/in/foo.cc: In function 'int main()':
/in/foo.cc:8:10: error: expected ';' before numeric constant
  cout<<2 3 5 7 11<<endl;
          ^
/in/foo.cc:9:11: error: expected ';' before numeric constant
  cout<<13 17 19 23 29<<endl;
           ^~
/in/foo.cc:10:11: error: expected ';' before numeric constant
  cout<<31 37 41 43 47<<endl;
           ^~
/in/foo.cc:11:11: error: expected ';' before numeric constant
  cout<<53 59 61 67 71<<endl;
           ^~
/in/foo.cc:12:11: error: expected ';' before numeric constant
  cout<<73 79 83 89 97<<endl;
           ^~