#include<bits/stdc++.h>
#define int long long
#define md 998244353
using namespace std;
int t,a,b,k;
inline int power(int x,int y){
    int ans=1;
    for(;y;y>>=1){
        if(y&1)ans=ans*x%md;
        x=x*x%md;
    }
    return ans;
}
signed main(){
    scanf("%lld",&t);
    while(t--){
        scanf("%lld%lld%lld",&a,&b,&k);
        a=a*power(2,k/2)%md;b=b*power(2,k/2)%md;
        if(k%2)printf("%lld %lld\n",(a+b)%md,((a-b)%md+md)%md);
        else printf("%lld %lld\n",a,b);
    }
    return 0;
}