Program p1;
var i,k:integer;
begin
k:=0;
for i:=1 to 100 do
if (i mod 5 = 0) then k:=k+1;
end;
writeln (k);
end.
Program p1;
var i,k:integer;
begin
k:=0;
for i:=1 to 100 do
begin
if (i mod 5 = 0) then k:=k+1;
end;
writeln (k);
end.