function [] = FindGrade(x)

if x>=80 then
  disp('You get A ... Very good');
elseif x >=70 then
  disp('You get B');
elseif x >=60 then
  disp('You get C');
elseif x >=50 then
  disp('You get D');
else
  disp('You get F !!!!');
end

endfunction