fn main() {
	let a:isize = 3;
	let b:isize = 5;
	let c:f64 = 3.1415926f64;
	let d:f64 = 4.0f64;
	let e:&str = "apple";
	let f:&str = "pear";

	println!("a < b : {}", (a < b));
	println!("a <= b : {}", (a <= b));
	println!("a > b : {}", (a > b));
	println!("a >= b : {}", (a >= b));
	println!("a == b : {}", (a == b));
	println!("a != b : {}", (a != b));

	println!("c < d : {}", (c < d));
	println!("c <= d : {}", (c <= d));
	println!("c > d : {}", (c > d));
	println!("c >= d : {}", (c >= d));
	println!("c == d : {}", (c == d));
	println!("c != d : {}", (c != d));

	println!("e < f : {}", (e.to_string() < f.to_string()));
	println!("e <= f : {}", (e.to_string() <= f.to_string()));
	println!("e > f : {}", (e.to_string() > f.to_string()));
	println!("e >= f : {}", (e.to_string() >= f.to_string()));
	println!("e == f : {}", (e.to_string() == f.to_string()));
	println!("e != f : {}", (e.to_string() != f.to_string()));
}