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- Uses crt;
- var
- k14,k2,k7,n14,i,N,r,a:integer;
- begin
- k14 := 0;
- k2 := 0;
- k7 := 0;
- n14 := 0;
- readln(N);
- for i:=1 to N do
- begin
- readln(a);
- if((a mod 14) = 0) then
- begin
- k14 := k14 + 1;
- end
- else
- begin
- if((a mod 2) = 0) then
- begin
- k2 := k2 + 1;
- end;
- if((a mod 7) = 0) then
- begin
- k7 := k7 + 1;
- end;
- end;
- end;
- n14 := n - k14;
- r := n*(n-1) div 2 - (k7*k2 + k14*(k14-1) div 2 + k14*n14);
- writeln(r);
- readkey;
- end.
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