fn main() {
	let a:&str = "Hello, ";
	let b:&str = "world";
	let c:&str = "Bruce";
	let d:&str = "Sheriff Brody";
	let e:&str = "!";
	println!("{}", String::from(a) + b + e);
	println!("{}", String::from(a) + c + e);
	println!("{}", String::from(a) + d + e);
}