#include using namespace std; #define rep(i, n) for(long long i=0;i<(long long)(n);i++) #define REP(i,k,n) for(long long i=k;i<(long long)(n);i++) #define pb emplace_back #define lb(v,k) (lower_bound(all(v),(k))-v.begin()) #define ub(v,k) (upper_bound(all(v),(k))-v.begin()) #define fi first #define se second #define pi M_PI #define PQ(T) priority_queue #define SPQ(T) priority_queue,greater> #define dame(a) {out(a);return 0;} #define decimal cout< P; typedef tuple PP; typedef tuple PPP; using vi=vector; using vvi=vector; using vvvi=vector; using vvvvi=vector; using vp=vector

; using vvp=vector; using vb=vector; using vvb=vector; const ll inf=1001001001001001001; const ll INF=1001001001; const ll mod=1000000007; const double eps=1e-10; template bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;} template bool chmax(T&a,T b){if(a void out(T a){cout< void outp(T a){cout<<'('< void outvp(T v){rep(i,v.size())cout<<'('< void outvvp(T v){rep(i,v.size())outvp(v[i]);} template void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout< void outvv(T v){rep(i,v.size())outv(v[i]);} template bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);} template void yesno(T b){if(b)out("yes");else out("no");} template void YesNo(T b){if(b)out("Yes");else out("No");} template void YESNO(T b){if(b)out("YES");else out("NO");} template void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';} void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);} ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);} ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;} int main(){ ll n,m;cin>>n>>m; assert(1<=n&&n<=100000); assert(0<=m&&m<=100); vector v; vi cnt(2); rep(i,m){ ll a,b,c;cin>>a>>b>>c; assert(1<=a&&a<=n); assert(1<=b&&b<=n); assert(0<=c&&c<=1); v.pb(a-1,b-1,c); cnt[c]++; } rep(i,m)rep(j,i){ assert(get<0>(v[i])!=get<0>(v[j])||get<1>(v[i])!=get<1>(v[j])); } if(n>=10)dame(cnt[0]==0); ll ans=0; rep(bit,1<<(n*2-1)){ vvi k(n,vi(n)); rep(i,n)k[i][0]=bit>>i&1; REP(i,n,n*2-1)k[0][i-n+1]=bit>>i&1; REP(i,1,n)REP(j,1,n)k[i][j]=(k[i][0]+k[0][j]+k[0][0])&1; bool ok=true; rep(i,m)if(k[get<0>(v[i])][get<1>(v[i])]!=get<2>(v[i]))ok=false; for(int t=3;t<=n;t+=2){ ll s=0; rep(i,t)rep(j,t)s+=k[i][j]; if(s%2==0)ok=false; rep(i,n)rep(j,n-t)if(k[i][j]!=k[i][j+t])ok=false; rep(i,n-t)rep(j,n)if(k[i][j]!=k[i+t][j])ok=false; }/* if(ok){ outvv(k);cout<