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- var n, i, ans, a, ch13, nech13, chN13, nechN13 : integer;
- q:array[0..4] of integer;
- begin
- read(n);
- for i:=0 to 4 do begin
- read(q[i]);
- end;
- ans:=0;
- ch13:=0; nech13:=0; chN13:=0; nechN13:=0;
- for i:=5 to n-1 do begin
- read(a);
- if(q[0] mod 2=0) then begin
- if(q[0] mod 13=0) then
- ch13+=1
- else
- chN13+=1;
- end
- else
- if(q[0] mod 13=0) then
- nech13+=1
- else
- nechN13+=1;
- if(a mod 2=0) then begin
- if(a mod 13=0) then
- ans+=nechN13;
- ans+=nech13;
- end
- else begin
- if(a mod 13=0) then
- ans+=chN13;
- ans+=ch13;
- end;
- q[0]:=q[1];
- q[1]:=q[2];
- q[2]:=q[3];
- q[3]:=q[4];
- q[4]:=a;
- end;
- write(ans);
- end.
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