puti @= fn(x: int) {
	 #C("printf(\"%ld\\n\", (long)x);
");
};
// putf @= fn(x: float) {
	 // #C("printf(\"%f\\n\", (double)x);
// ");
// };



main @= fn() {
	 a, b := f(10, 20);
	 c, d := f(10, 10+10);
	 puti(a); puti(b);
	 puti(c); puti(d);

f @= fn(a: int, x @ int) (int, int) {
  x * a, x + a
};
};