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Cod sursa(job #217288)
#include<stdio.h>
#define MOD 666013
int A,B,C,X,Y,Z,T;
long long i,j,N,cnt,put;
long long sol[4][4],m[4][4];
void mul(long long a[4][4], long long b[4][4])
{
long long i,j,k,c[4][4]={0};
for(i=1;i<=3;i++)
for(j=1;j<=3;j++)
for(k=1;k<=3;k++)
c[i][j]+=(a[i][k]*b[k][j])%MOD;
for(i=1;i<=3;i++)
for(j=1;j<=3;j++)
a[i][j]=c[i][j];
}
int main(void)
{
freopen("iepuri.in","r",stdin);
freopen("iepuri.out","w",stdout);
scanf("%d",&T);
while(T--)
{
scanf("%d%d%d%d%d%d%lld",&X,&Y,&Z,&A,&B,&C,&N);
sol[1][2]=sol[1][3]=sol[2][1]=sol[2][3]=sol[3][1]=sol[3][2]=m[1][1]=m[1][2]=m[2][2]=m[3][1]=0;
sol[1][1]=sol[2][2]=sol[3][3]=m[2][1]=m[3][2]=1;
m[1][3]=C,m[2][3]=B,m[3][3]=A;
put=1;
i=0;
N-=2;
while(put<=N)
{
if(put & N)
mul(sol,m);
put=1<<(++i);
mul(m,m);
}
printf("%d\n",(sol[1][3]*X+sol[2][3]*Y+sol[3][3]*Z)%MOD);
}
return 0;
}