#![allow(unused_macros, unused_imports, dead_code)]
use std::any::TypeId;
use std::cmp::{max, min, Reverse};
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
use std::mem::swap;
use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Rem, Sub, SubAssign};

pub trait Identity {
    fn identity() -> Self;
}
impl Identity for i32 {
    fn identity() -> Self {
        1_i32
    }
}
impl Identity for u32 {
    fn identity() -> Self {
        1_u32
    }
}
impl Identity for i64 {
    fn identity() -> Self {
        1_i64
    }
}
impl Identity for u64 {
    fn identity() -> Self {
        1_u64
    }
}
impl Identity for i128 {
    fn identity() -> Self {
        1_i128
    }
}
impl Identity for u128 {
    fn identity() -> Self {
        1_u128
    }
}
impl Identity for f64 {
    fn identity() -> Self {
        1_f64
    }
}
impl Identity for usize {
    fn identity() -> Self {
        1_usize
    }
}

mod matrix {
    use crate::Identity;
    use std::iter::Sum;
    use std::ops::{Index, IndexMut, Mul, MulAssign, Sub};
    use std::slice::SliceIndex;
    #[derive(Clone)]
    pub struct Matrix<T> {
        h: usize,
        w: usize,
        vals: Vec<Vec<T>>,
    }
    impl<T: Clone + Copy + Identity + Sub<Output = T> + Mul + Sum<<T as Mul>::Output>> Matrix<T> {
        pub fn new(h: usize, w: usize) -> Self {
            let v1 = T::identity();
            #[allow(clippy::eq_op)]
            let v0 = v1 - v1;
            Self {
                h,
                w,
                vals: vec![vec![v0; w]; h],
            }
        }
        pub fn identity(h: usize, w: usize) -> Self {
            debug_assert!(h == w);
            let v1 = T::identity();
            #[allow(clippy::eq_op)]
            let v0 = v1 - v1;
            let mut vals = vec![vec![v0; w]; h];
            for (y, line) in vals.iter_mut().enumerate() {
                for (x, val) in line.iter_mut().enumerate() {
                    *val = if y == x { v1 } else { v0 };
                }
            }
            Self { h, w, vals }
        }
        pub fn pow(&self, mut p: usize) -> Self {
            let mut ret = Self::identity(self.h, self.w);
            let mut mul = self.clone();
            while p > 0 {
                if p & 1 != 0 {
                    ret = ret.clone() * mul.clone();
                }
                p >>= 1;
                mul = mul.clone() * mul.clone();
            }
            ret
        }
    }
    impl<T, Idx: SliceIndex<[Vec<T>]>> Index<Idx> for Matrix<T> {
        type Output = Idx::Output;
        fn index(&self, i: Idx) -> &Self::Output {
            &self.vals[i]
        }
    }
    impl<T, Idx: SliceIndex<[Vec<T>]>> IndexMut<Idx> for Matrix<T> {
        fn index_mut(&mut self, index: Idx) -> &mut Self::Output {
            &mut self.vals[index]
        }
    }
    impl<T: Clone + Copy + Identity + Sub<Output = T> + Mul + Sum<<T as Mul>::Output>>
        Mul<Matrix<T>> for Matrix<T>
    {
        type Output = Matrix<T>;
        fn mul(self, rhs: Matrix<T>) -> Self::Output {
            debug_assert!(self.w == rhs.h);
            let mut ret = Self::new(self.h, rhs.w);
            for y in 0..ret.h {
                for x in 0..ret.w {
                    ret[y][x] = (0..self.w).map(|i| self[y][i] * rhs[i][x]).sum::<T>();
                }
            }
            ret
        }
    }
    impl<T: Clone + Copy + Identity + Sub<Output = T> + Mul + Sum<<T as Mul>::Output>> Mul<Vec<T>>
        for Matrix<T>
    {
        type Output = Vec<T>;
        fn mul(self, rhs: Vec<T>) -> Self::Output {
            debug_assert!(self.w == rhs.len());
            let v1 = T::identity();
            #[allow(clippy::eq_op)]
            let v0 = v1 - v1;
            let mut ret = vec![v0; self.h];
            for y in 0..self.h {
                ret[y] = (0..self.w).map(|x| self[y][x] * rhs[x]).sum::<T>();
            }
            ret
        }
    }
    impl<T: Clone + Copy + Identity + Sub<Output = T> + Mul + Sum<<T as Mul>::Output>>
        MulAssign<Matrix<T>> for Matrix<T>
    {
        fn mul_assign(&mut self, rhs: Matrix<T>) {
            *self = self.clone() * rhs;
        }
    }
}
use matrix::Matrix;

mod procon_reader {
    use std::fmt::Debug;
    use std::io::Read;
    use std::str::FromStr;
    pub fn read<T: FromStr>() -> T
    where
        <T as FromStr>::Err: Debug,
    {
        let stdin = std::io::stdin();
        let mut stdin_lock = stdin.lock();
        let mut u8b: [u8; 1] = [0];
        loop {
            let mut buf: Vec<u8> = Vec::with_capacity(16);
            loop {
                let res = stdin_lock.read(&mut u8b);
                if res.unwrap_or(0) == 0 || u8b[0] <= b' ' {
                    break;
                } else {
                    buf.push(u8b[0]);
                }
            }
            if !buf.is_empty() {
                let ret = String::from_utf8(buf).unwrap();
                return ret.parse().unwrap();
            }
        }
    }
    pub fn read_vec<T: std::str::FromStr>(n: usize) -> Vec<T>
    where
        <T as FromStr>::Err: Debug,
    {
        (0..n).into_iter().map(|_| read::<T>()).collect::<Vec<T>>()
    }
    pub fn read_vec_sub1(n: usize) -> Vec<usize> {
        (0..n)
            .into_iter()
            .map(|_| read::<usize>() - 1)
            .collect::<Vec<usize>>()
    }
    pub fn read_mat<T: std::str::FromStr>(h: usize, w: usize) -> Vec<Vec<T>>
    where
        <T as FromStr>::Err: Debug,
    {
        (0..h)
            .into_iter()
            .map(|_| read_vec::<T>(w))
            .collect::<Vec<Vec<T>>>()
    }
}
use procon_reader::*;
/*************************************************************************************
*************************************************************************************/

fn main() {
    let mut ans = vec![];
    for _ in 0..read::<usize>() {
        let mut a = read::<i64>();
        let mut b = read::<i64>();
        let mut c = read::<i64>();
        let k = read::<usize>();
        for _ in 0..k {
            let na = (b + c) / 2;
            let nb = (c + a) / 2;
            let nc = (a + b) / 2;
            a = na;
            b = nb;
            c = nb;
            if a % 2 == 0 && b % 2 == 0 && c % 2 == 0{
                break;
            }
        }
        ans.push(a + b + c);
    }
    eprintln!();
    for ans in ans {
        println!("{}", ans);
    }
}