begin
  var (a,b) := ReadInteger2;
  Println($'{a} + {b} = {a + b}');
  Println($'{a} - {b} = {a - b}');
  Println($'{a} * {b} = {a * b}');
  Println($'{a} / {b} = {a / b}');
  Println($'{a} div {b} = {a div b}');
  Println($'{a} mod {b} = {a mod b}');
  Println($'{a} ** {b} = {a ** b}');
end.