Run id: 153040

Main.cc: In function 'int main()':
Main.cc:6:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     cin>>a=123>>b=456>>a+b;
                         ^
Main.cc:6:18: error: lvalue required as left operand of assignment
     cin>>a=123>>b=456>>a+b;
                  ^
Main.cc:7:11: error: 'sum' was not declared in this scope
     cout<