#include <cstdio>
using namespace std;
typedef long long ll;
ll t,a,b,k,ans1,ans2,tmp,p=998244353;
ll pow(ll x,ll y)
{
    ll ret=1;
    while(y>0)
    {
        if(y&1) ret=ret*x%p;
        x=x*x%p;
        y>>=1;
    }
    return ret%p;
}
int main()
{
    scanf("%lld",&t);
    while(t--)
    {
        scanf("%lld %lld %lld",&a,&b,&k);
        ans1=ans2=pow(2,k>>1);
        ans1=ans1*a%p;
        ans2=ans2*b%p;
        if(k&1)
        {
            tmp=ans1;
            ans1=(ans1+ans2)%p;
            ans2=((tmp-ans2)%p+p)%p;
        }
        printf("%lld %lld\n",ans1,ans2);
    }
    return 0;
}