Var i,b,c:integer; a:array[1..100] of integer; Begin Read(b); I:=1; While b<>0 do Begin A[i]:=b; I:=i+1; Read(b); End; C:=i-1; D:=0; B:=0; For i:=1 to c do If a[i]>99 Then begin b:=b+a[i]; d:=d+1; end; If b=0 Then writeln('NO') Else writeln(b/d); End.