/in/foo.cc: In function 'int main()':
/in/foo.cc:6:19: error: expected primary-expression before '%' token
  scanf_s("%d%d%d",%a,%b,%c);
                   ^
/in/foo.cc:6:22: error: expected primary-expression before '%' token
  scanf_s("%d%d%d",%a,%b,%c);
                      ^
/in/foo.cc:6:25: error: expected primary-expression before '%' token
  scanf_s("%d%d%d",%a,%b,%c);
                         ^
/in/foo.cc:6:27: error: 'scanf_s' was not declared in this scope
  scanf_s("%d%d%d",%a,%b,%c);
                           ^
/in/foo.cc:27:1: error: expected ';' before '}' token
 }
 ^