const
n=8;
m=8;
var
a:array[1..n,1..m] of integer;
i,j:word;
sum:integer;
begin
randomize;
sum:=0;
for i:=1 to n do
for j:=1 to m do
begin
a[i,j]:=random(10)+1;
write(a[i,j]:3);
if j=m then writeln;
end;
for i:=1 to n do
sum:=sum+a[i,i];
writeln('Summa->',sum);
readln;
end.