% Is this correct?
a=input('side a= ');
b=input('side b= ');
c=input('side c= ');
if  ( a == b & b == c)
   disp('equilateral'); 
end
if  (a==b | b == c | a==c)
   disp('isosceles');
end
if  (a ~= b & b ~=c )
   disp('scalene');
end
