#include<bits/stdc++.h>
#define int long long
using namespace std;
const int mod=998244353;

void read(int &data){
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){
        if(ch=='-') f=f*-1;
        ch=getchar();
    }
    while(ch>='0'&&ch<='9'){
        x=x*10+ch-'0';
        ch=getchar();
    }
    data=x*f;
}

void write(int x){
    if(x>10) write(x/10);
    putchar(x%10);
}

int fpow(int a,int p){
    int res=1;
    while(p){
        if(p&1) res=res*a%mod;
        a=a*a%mod;
        p>>=1;
    }
    return res%mod;
}

int t,a,b,k,tmp;

signed main(){
    cin>>t;
    while(t--){
        cin>>a>>b>>k;
        tmp=k/2;
        a=a*fpow(2,tmp);
        b=b*fpow(2,tmp);
        if(k&1){
            tmp=a;
            a=(tmp+b+mod)%mod;
            b=(tmp-b+mod)%mod;
        }
        cout<<(a+mod)%mod<<" "<<(b+mod)%mod<<endl;
    }
    return 0;
}