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var
a, b, c, x, v: smallint;
f: text;
function gcd(m, n: smallint): smallint;
var
p: smallint;
begin
while (n <> 0) do
begin
p := m mod n;
m := n;
n := p
end;
exit(m)
end;
begin
assign(f, 'BAI1.INP');
reset(f);
read(f, a, b, c);
close(f);
v := 0;
for x := 1 to c div a do
if ((c - a * x) mod b = 0) and
(gcd(x, (c - a * x) div b) = 1) then
inc(v);
assign(f, 'BAI1.OUT');
rewrite(f);
writeln(f, v);
close(f)
end.
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