program int3;
var
	a,b,c:integer;
begin
	writeln('Key in a = ');
	readln(a);
	writeln('Key in b = ');
	readln(b);
	writeln('Key in c = ');
	readln(c);
	writeln(a,' + ',b,' = ',a+b);
	writeln(a,' - ',b,' = ',a-b);
	writeln(a,' * ',b,' = ',a*b);
end.