#include const long mod=1048576; long kai[2000000]; int pow[2000000]; int main(){ long t,e,i=0; long a,b,c,d; kai[0]=1; scanf("%ld",&t); for(;t>0;t--){ scanf("%ld %ld %ld",&a,&b,&c); if(c%2==0){ printf("0\n"); }else{ for(;i