 
                                                 
                                                uses crt;
var a:array[1..1000] of integer; i,max,n:integer;
begin
  clrscr;
  write('n<1000, n=');
  read(n);
  write('a[i]<30000, a[i]:');
  for i:=1 to n do
    begin
      readln(a[i]);
      max:=0;
      if(a[i] mod 5=0) and (a[i]>max) then max:=a[i];
    end;
  writeln('max=',max);
end.
 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                
CLS
a:
INPUT n
IF n < 1 OR INT(n) <> n OR n > 1000 THEN GOTO a
DIM a(n)
FOR i = 1 TO n
b:
INPUT a(n)
IF a(n) < 1 OR INT(a(n)) <> a(n) OR a(n) > 30000 THEN GOTO b
IF INT (a(n) / 5) = a(n) / 5 AND a(n) > h THEN h = a(n)
NEXT i
PRINT h
END