[your code here]

[H. S. Teoh]

// Wraps long lines in standard input.
// Demonstrates D's powerful array manipulation facility and generic
// algorithms.

import std.algorithm;
import std.array;
import std.range;
import std.stdio;

void main() {
	int width = 80;

	foreach (line; stdin.byLine()) {
		while (line.length > width) {
			// Find longest space-terminated prefix of line that
			// fits in width, and wrap it there.
			char[] fits = find(retro(line[0..width]), " ").source;
			writeln(fits);
			line = line[fits.length .. $];
		}
		writeln(line);
	}
}