#include #include #include using namespace std; const int mod=100000000; int n,m,can[13],jc[1<<12],cnt,tmp[1<<13],f[13][1<<12]; int main() { #ifdef local freopen("pro.in","r",stdin); #endif scanf("%d%d",&n,&m); for(int i=1;i<=n;i++) { int st=0; for(int j=0;j