Main.cc: In function 'int main()':
Main.cc:4:1: error: 'iong' was not declared in this scope
iong iong a,b;
^
Main.cc:5:6: error: 'a' was not declared in this scope
cin>>a;
^
Main.cc:6:6: error: 'b' was not declared in this scope
cin>>b;
^