const
m=3;
n=10;
var
a:array[1..m,1..n] of integer;
i,j,k:integer;
f:boolean;
begin
for i:=1 to m do
begin
for j:=1 to n do
begin
a[i,j]:=20-random(40);
write(' ',a[i,j]:3);
end;
writeln();
end;
writeln('--------') ;
k:=0;
for j:=1 to m do
begin
f:=true;
for i:=1 to n do if not a[1,j]*a[i,j]>0 then
begin
f:=false;
break;
end;
if f then inc(k);
end;
writeln(k);
end.