Const
n = 3;
m = 3;
type
matrix = array [1..m,1..n] of real;
function findMax (A : matrix): real;
var
i : integer;
x : real;
begin
x := A[1,2];
for i := 2 to m do
if A[i,2] > x then
x := A[i,2];
findMax := x
end;
var
A : matrix;
i,j : integer;
begin
for i := 1 to m do
for j := 1 to n do
read(A[i,j]);
writeln(findMax(A))
end.