struct Aa {
	xy int
}

struct Bb {
	a Aa
}

struct Cc {
	a []Aa
}

fn (c &Cc) f() int {
	return c.a[0].xy
}

fn (c &Cc) g(k int, l int) int {
	return c.a[k].xy+l
}

fn main() {
	st := Bb{Aa{5}}
	ar := Cc{[Aa{3}, Aa{-4}, Aa{12}]}
	aa := Aa{-13}
	z := -14.75
	println('${st.a.xy} ${ar.a[2].xy} ${aa.xy} ${z}')
	println('${st.a.xy}${ar.a[2].xy}${aa.xy}${z}')
	println('${st.a.xy}ya ${ar.a[2].xy}X2 ${aa.xy}.b ${z}3')
	println('${z:-5} ${z:+5.3} ${z:+09.3f} ${z:-07.2} ${z:+009} ${z:008.3f}')
	println('${ar.f()} ${ar.g(1, 2)} ${ar.a}() ${z}(')
	println('${z > 12.3 * z - 3} ${@VEXE} ${4 * 5}')
}