const
n=10;
m=6;
var
a:array[1..n,1..m] of integer;
i,j,sum,k:integer;
begin
for i:=1 to n do
begin
for j:=1 to m do
begin
a[i,j]:=random(40);
write(' ',a[i,j]:3);
end;
writeln();
end;
writeln('--------') ;
sum:=0;
for i:=1 to n do
sum:=sum+sqr(a[i,4]);
writeln('--------') ;
writeln(sum) ;
sum:=0;
writeln('vvedite strochku');
readln(k);
for i:=1 to m do
sum:=sum+sqr(a[k,i]);
writeln('--------') ;
writeln(sum) ;
end.