Var n,n1,n2,n3,n4,sum:integer;
Begin
readln(n);
<span> n1:=n div 1000; </span>
<span> n2:=n div 100; </span>
<span> n2:=n2 mod 10; </span>
<span> n3:=n div 10; </span>
<span> n3:=n3 mod 10; </span>
<span> n4:=n mod 10; </span>
<span>n2:=n2*n2; </span>
<span>n3:=n3*n3; </span>
<span> sum:=sum+n2+n3; </span>
writeln('sum=',sum);
end.