var
a, n : integer;
begin
repeat
read(a);
if a div 7 = 0 then n += 1;
until a = 0;
writeln(n);
end.
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Answers & Comments
var
a, n : integer;
begin
repeat
read(a);
if a div 7 = 0 then n += 1;
until a = 0;
writeln(n);
end.