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#include <iostream>
#include <fstream>
#define MOD 666013
using namespace std;
ifstream f("iepuri.in");
ofstream g("iepuri.out");
struct mat
{ long long m[5][5];
}A, ans;
int t;
void init(long long x, long long y, long long z, long long a, long long b, long long c)
{ for(int i=0; i<3; i++)
for(int j=0; j<3; j++) A.m[i][j] = 0, ans.m[i][j] = 0;
A.m[1][0] = A.m[2][1] = 1;
A.m[0][2] = c;
A.m[1][2] = b;
A.m[2][2] = a;
ans.m[0][0] = x;
ans.m[0][1] = y;
ans.m[0][2] = z;
}
mat prod(mat A, mat B)
{ mat sol;
for(int i=0; i<3; i++)
for(int j=0; j<3; j++) sol.m[i][j] = 0;
for(int i=0; i<3; i++)
for(int j=0; j<3; j++)
for(int k=0; k<3; k++) sol.m[i][j] = (sol.m[i][j] + A.m[i][k] * B.m[k][j]) % MOD;
return sol;
}
void lgput(long long n)
{ while(n)
{ if(n % 2 == 0) A = prod(A, A), n /= 2;
else ans = prod(ans, A), n--;
}
}
int main()
{
f >> t;
while(t--)
{ long long x, y, z, a, b, c, n;
f >> x >> y >> z >> a >> b >> c >> n;
if(!n) g << x << '\n';
else if(n == 1) g << y << '\n';
else if(n == 2) g << z << '\n';
else
{ init(x, y, z, a, b, c);
lgput(n-2);
g << ans.m[0][2] << '\n';
}
}
return 0;
}