!752

p {
  assertTrue(isIPv4("123.232.100.1"));
  assertFalse(isIPv4("fe80:0:0:0:f126:27f6:cc21:3b2d%wlx98ded0177864"));
  assertFalse(isIPv4("fe80:0:0:0:f126:27f6:cc21:3b2d%3"));
  print("ok");
}