Const
n=5;m=7;
var
a:array[1..n,1..m]of integer;
i,j:integer;
begin
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(100);
write(a[i,j]:4);
end;
writeln;
end;
writeln;
for i:=1 to n do
begin
for j:=2 to m do
if j mod 2=0 then
write(a[i,j]:4);
writeln;
end;
end.