Scandinavian Airlines System -LRB- SAS -RRB- is the multi-national airline of LOCATION@1 , LOCATION@2 and LOCATION@3 , and the leading carrier in these MISC@1 countries .

Scandinavian Airlines System -RRB- -LRB- SAS -RRB- is a airlines base in LOCATION@3 , LOCATION@2 and LOCATION@1 .
