var a:array [1..100] of integer;
i,c,n: integer;
begin
randomize;
readln(n);
c:=0;
for i:=1 to 10 do begin
a[i]:=random(20)+1;
if (a[i]<6) then c:=c+1;
end;
writeln(c);
end.
var a:array [1..100] of integer;
i,c,n: integer;
begin
randomize;
readln(n);
c:=0;
for i:=1 to 10 do begin
a[i]:=random(20)+1;
if (a[i]<6) then c:=c+1;
end;
writeln(c);
end.