var a,b: integer;
begin
writeln('a, b:');
readln(a,b);
writeln('a+b = ',a+b);
writeln('a-b = ',a-b);
writeln('a*b = ',a*b);
end.
var a,b: integer;
begin
writeln('a, b:');
readln(a,b);
writeln('a+b = ',a+b);
writeln('a-b = ',a-b);
writeln('a*b = ',a*b);
end.