var n, c, p, q, i, m, d;

n := read ();

c := 1;
p := 2;

while c do

  var cc = 1;

  while cc do
    q := 2;

    while q * q <= p && cc do
      cc := p % q != 0;
      q := q + 1
    od;

    if cc then cc := 0 else p := p + 1; cc := 1 fi   
  od;

  d := p;
  i := 0;

  q := n / d;
  m := n % d;

  while q > 0 && m == 0 do
    i := i + 1;
    d := d * p;
    m := n % d;
    if m == 0 then q := n / d else skip fi
  od;

  write (p);
  write (i);

  n := n / (d / p);
  p := p + 1;
  c := n != 1

od