#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <string>
#include <algorithm>
#include <iostream>
using namespace std;
#define ll long long

const int maxn=1e5+10;

const ll mod=998244353;

ll mul(ll a,ll b)
{
    ll y=1;
    while (b)
    {
        if (b&1)
        {
            y=y*a%mod;
        }
        a=a*a%mod;
        b>>=1;
    }
    return y;
}

int main()
{
    int t;
    ll a,b,times;
    scanf("%d",&t);
    while (t--)
    {
        scanf("%lld%lld%lld",&a,&b,&times);
        if (times&1)
        {
            printf("%lld %lld\n",(a+b)*mul(2ll,times/2)%mod , (a-b+mod)*mul(2ll,times/2)%mod);
        }
        else
        {
            printf("%lld %lld\n",a*mul(2ll,times/2)%mod , b*mul(2ll,times/2)%mod);
        }
    }
    return 0;
}