Run id: 65183

Main.cc: In function 'int main()':
Main.cc:7:10: warning: right operand of comma operator has no effect [-Wunused-value]
  cin>>a,b;
          ^
Main.cc:8:6: error: redeclaration of 'int a'
  int a=c;
      ^
Main.cc:6:6: note: 'int a' previously declared here
  int a,b;
      ^
Main.cc:8:8: error: 'c' was not declared in this scope
  int a=c;
        ^