const n=10;
var arr:array[1..n,1..n] of integer;
i,j,max:integer;
begin
for i:=1 to n do
begin
for j:=1 to n do
begin
arr[i,j]:=random(100);
write(arr[i,j]:3);
end;
writeln;
end;
max:=arr[1,1];
for i:=1 to n do
begin
for j:=1 to n do
begin
if i>=j then
if max<arr[i,j] then max:=arr[i,j];
end;
end;
writeln(max);
end.