program kalk;
uses crt;
const
n = 8;
m = 10;
var
a:array[1..n,1..m] of integer;
i,i2,tmp:integer;
begin
for i:= 1 to n do
for i2:= 1 to m do
a[i,i2]:= random(20);
for i:= 1 to n do begin
writeln;
for i2:= 1 to m do
write(a[i,i2]:3);
end;
writeln;
writeln;
for i:= 1 to m do begin
tmp:= a[1,i];
a[1,i]:= a[n,i];
a[n,i]:= tmp;
end;
for i:= 1 to n do begin
writeln;
for i2:= 1 to m do
write(a[i,i2]:3);
end;
end.