记录编号	265691	评测结果	AAAAAAA
题目名称	牛式	最终得分	100
用户昵称	ConanQZ	是否通过	通过
代码语言	Pascal	运行时间	0.003 s
提交时间	2016-06-03 20:36:19	内存使用	0.17 MiB

program P1112;
var
n,a1,a2,a3,b1,b2,ans,i:longint;
a:array[1..10]of longint;
p:array[0..10]of boolean;

function check(x,v:longint):boolean;
begin
if ((x>=10000)and(v=2))or((x>=1000)and(v=1)) then exit(false);
while x<>0 do
   if p[x mod 10] then x:=x div 10 else exit(false);
exit(true);
end;

function cow(a1,b1,c1,a2,b2:integer):boolean;
var
x:longint;
begin
x:=a1*100+b1*10+c1;
if (check(x*a2,1))and(check(x*b2,1)) then
  begin
   if check(x*(a2*10+b2),2) then exit(true) else exit(false);
  end else exit(false);
end;

begin
//assign(input,'11.in'); reset(input);
assign(input,'crypt1.in'); reset(input);
assign(output,'crypt1.out'); rewrite(output);
readln(n);
for i:=1 to n do begin read(a[i]); p[a[i]]:=true; end;
for a1:=1 to n do
  for a2:=1 to n do
    for a3:=1 to n do
      for b1:=1 to n do
        for b2:=1 to n do
          if cow(a[a1],a[a2],a[a3],a[b1],a[b2]) then inc(ans);
writeln(ans);
end.