if (???) ???;

        if (n == 4) break;

        if (n % 3 == 0) ???;
        if (n % 5 == 0) ???;

        if (n % 3 == 0) continue;
        if (n % 5 == 0) continue;

    while (n < 1000) : ??? {

    while (n < 1000) : (n += n) {

    while (???) {

    while (n < 1024) {

    const price: u8 = if ???;

    const price: u8 = if (discount) 17 else 20;

    if (foo) {

    if (foo == 1) {

    const x: usize = 1;

    var x: usize = 1;

    lang[???] = letters[x];

    lang[1] = letters[x];

    x = ???;
    lang[2] = letters[???];

    x = 5;
    lang[2] = letters[x];

        Ziggy played guitar
        Jamming good with Andrew Kelley
        And the Spiders from Mars

        \\Ziggy played guitar
        \\Jamming good with Andrew Kelley
        \\And the Spiders from Mars

    const d: u8 = ziggy[???];

    const d: u8 = ziggy[4];

    const laugh = "ha " ???;

    const laugh = "ha " ** 3;

    const major_tom = major ??? tom;

    const major_tom = major ++ " " ++ tom;

    const leet = ???;

    const leet = le ++ et;

    const bit_pattern = [_]u8{ ??? } ** 3;

    const bit_pattern = [_]u8{ 1, 0, 0, 1 } ** 3;

    const some_primes = [_]u8{ 1, 3, 5, 7, 11, 13, 17, 19 };

    var some_primes = [_]u8{ 1, 3, 5, 7, 11, 13, 17, 19 };

    const fourth = some_primes[???];

    const fourth = some_primes[3];

    const length = some_primes.???;

    const length = some_primes.len;

    const n: u8 = 50;

    var n: u8 = 50;

    const pi: u8 = 314159;

    const pi: u32 = 314159;

    const negative_eleven: u8 = -11;

    const negative_eleven: i8 = -11;

??? = @import("std");

const std = @import("std");

fn main() void {

pub fn main() void {