program ll;
var a,b,c,p,k,f:integer;
Begin
for a:=1 to 9 do
for b:=0 to 9 do
for c:=0 to 9 do
begin
if (b*10+c)*7=a*100+b*10+c then
writeln(100*a+10*b+c:5);
end;
readln;
ENd.