var b,i :integer;
a:array[1..10] of integer;
begin
for i:=1 to 10 do
readln(a[i]);
for i:=1 to 10 do begin
if (a[i] mod 5=0) or (a[i] mod 7 =0) or (a[i] div 10=1) or (a[i] mod 10 =1) then b:=b+1;end;
writeln (b);
end.
var b,c,i :integer
a:array[1..10] of integer;
begin
for i:=1 to 10 do
readln(a[i]);
for i:=1 to 10 do begin
if (a[i] mod 3=0) and (a[i] mod 2 = 0) and (a[i] div 10<>0)and (a[i] div 100=0) then begin b:=b+a[i];c:=c+1;end;end;
writeln(b/c);
end;