const N = 12;

var i, k: integer;
var a: array[1..N] of real;

begin
    k := 0;
    for i := 1 to N do begin
        read(a[i]);
        k += ord(odd(i) and (5.1 <= a[i]) and (a[i] <= 32.4));
    end;
    writeln(k);
end.