start{

  I keisan1(I ashi, I atama) {
	kame = (ashi - atama * 2) / 2;
	return kame;
  }

  I keisan2(I ashi, I atama) {
	tsuru = ( atama * 4 - ashi) / 2;
	return tsuru;
  }

  kame = keisan1(22, 8);
  tsuru = keisan2(22, 8);

  println kame;
  print tsuru;
}$