``` const std = @import("std"); pub fn main() !void { const width: u32 = 120; const height: u32 = 60; var x: i32 = 0; var y: i32 = 0; while (x < width) : (x += 1) { while (y < height) : (y += 1) { try stdout.print("{} {}\n", .{x, y}); } } } ```