uses crt;
var
foot:array[1..2,1..22] of integer;
i,j,nich:integer;
begin
nich:=0;
for i:=1 to 2 do
for j:=1 to 22 do
readln(foot[i,j]);
for j:=1 to 22 do
if foot[1,j]=foot[2,j] then nich:=nich+1;
writeln('количество ничьих равно ',nich);
end.