/in/foo.cc:6:8: error: stray '\342' in program
 printf(“%a,%b\n”,a+b);
        ^
/in/foo.cc:6:9: error: stray '\200' in program
 printf(“%a,%b\n”,a+b);
         ^
/in/foo.cc:6:10: error: stray '\234' in program
 printf(“%a,%b\n”,a+b);
          ^
/in/foo.cc:6:16: error: stray '\' in program
 printf(“%a,%b\n”,a+b);
                ^
/in/foo.cc:6:18: error: stray '\342' in program
 printf(“%a,%b\n”,a+b);
                  ^
/in/foo.cc:6:19: error: stray '\200' in program
 printf(“%a,%b\n”,a+b);
                   ^
/in/foo.cc:6:20: error: stray '\235' in program
 printf(“%a,%b\n”,a+b);
                    ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:11: error: expected primary-expression before '%' token
 printf(“%a,%b\n”,a+b);
           ^
/in/foo.cc:6:14: error: expected primary-expression before '%' token
 printf(“%a,%b\n”,a+b);
              ^