Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:12: warning: right operand of comma operator has no effect [-Wunused-value]
cin>> a,b;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:12: warning: right operand of comma operator has no effect [-Wunused-value]
cin>> a,b;
^
