где ошибка?

const nmax=100;
type
matrix= array [1..nmax,1..nmax] of integer;
var a,b:matrix;
na,nb:integer;
flag:boolean;
procedure Get(var x:matrix; n: integer);
var i,j:integer;
begin
writeln('Введите размер матрицы');
readln(n);
for i:=1 to n do
  begin
  for j:=1 to n do
    readln(x[i,j]);
  end;
  end;
function mult (const x:matrix; n:integer):boolean;
var i,j:integer;
quan: integer;
begin
  quan:=0;
  for i:=1 to n-1 do
    for j:=i+2 to n do
      if x[i,j] = 0 then
        quan:=quan + 1;
      if quan <> 0 then
        mult:=False
      else
        mult:=True;  
end;
procedure matr (var x:matrix; n:integer);
begin
  for var i:integer:= 2 to n do
for var j:integer:=1 to i-1 do
begin
x[i,j]:= x[i,j]/(x[j,i]);
end;
end;
procedure put (const x:matrix; n:integer; name:string);
begin
writeln( 'Матрица ',name);
for var i:integer:= 1 to n do
begin
for var j:integer:= 1 to n do
writeln(x[i,j]);
end;
end;
begin
  Get(a,na);
  Get (b,nb);
  
  if (mult(a,na)) or (mult(b,nb)) then
  if mult(a,na) then
    matr (a,na) else
      matr(b,nb);
    
    put(a,na,'A');
    put(b,nb,'B');
end.

type Matrix = array [,] of real;
 
function ReadMatrix(name: string): Matrix;
begin
  write('Введите размер матрицы ', name, ': ');
  var n := ReadInteger;
  Result := new real[n, n];
  writeln('Введите элементы матрицы ', name, ':');
  for var i := 0 to n - 1 do
    for var j := 0 to n - 1 do
      read(Result[i, j]);
end;
 
procedure PrintMatrix(const x: Matrix; name: string);
begin
  var n := Length(x, 1) - 1;
  writeln('Матрица ', name, ':');
  for var i := 0 to n do begin
    for var j := 0 to n do
      WriteFormat('{0,6:F2} ', x[i, j]);
    writeln;
  end;
end;
 
function HasZerosAboveDiagonal(const x: Matrix): boolean;
begin
  Result := True;
  var n := Length(x, 1) - 1;
  for var i := 0 to n do
    for var j := i + 1 to n do
      Result := Result and (x[i, j] <> 0);
end;
 
procedure Transform(x: Matrix);
begin
  var n := Length(x, 1) - 1;
  for var i := 0 to n do
    for var j := 0 to i-1 do
      x[i, j] := x[i, j] / x[j, i];
end;
 
begin
  var a := ReadMatrix('A');
  var b := ReadMatrix('B');
  
  if HasZerosAboveDiagonal(a) then Transform(a);
  if HasZerosAboveDiagonal(b) then Transform(b);
  
  PrintMatrix(a, 'A');
  PrintMatrix(b, 'B');
end.