uses crt;
const n=5;
m=3;
var a:array[1..n,1..m] of integer;
i,j,x:integer;
begin
ClrScr;
Randomize;
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(20)-10;
Write(a[i,j]:4);
end;
Writeln;
end;
Writeln;
for i:=1 to n do
begin
for j:=1 to m do
begin
x:=a[2,j];
a[2,j]:=a[5,j];
a[5,j]:=x;
end;
end;
Writeln;
for i:=1 to n do
begin
for j:=1 to m do
Write(a[i,j]:4);
Writeln;
end;
Readln;
end.