Main.cc:5:11: warning: missing terminating " character
scanf("%3d%1d,&a,&b);
^
Main.cc:5:5: error: missing terminating " character
scanf("%3d%1d,&a,&b);
^
Main.cc: In function 'int main()':
Main.cc:6:5: error: 'cout' was not declared in this scope
cout<& __os)
^