import std.algorithm, std.array, std.container, std.range, std.bitmanip;
import std.numeric, std.math, std.bigint, std.random, core.bitop;
import std.string, std.regex, std.conv, std.stdio, std.typecons;

const auto mod = 573;

void main()
{
  auto s = readln.chomp.map!(to!int).array;
  s.sort();
  auto gi = s.group.map!("a[1]").filter!("a > 1").array;

  auto ti = iota(1, s.length + 1).array;
  foreach (g; gi) {
    foreach (h; 1..g + 1) {
      foreach (ref t; ti) {
        if (t % h == 0) {
          t /= h;
          break;
        }
      }
    }
  }

  auto r = 1;
  foreach (t; ti)
    r = (r * t) % mod;

  writeln(r - 1);
}