#include using namespace std; using ll = long long; ll mod = 998'244'353; //const ll mod = 1'000'000'007; //const ll mod = 67'280'421'310'721; struct mint{ long long x; mint(long long x=0):x((x%mod+mod)%mod){} mint operator-() const{ return mint(-x); } mint& operator+=(const mint& a){ if((x+=a.x)>=mod)x-=mod; return *this; } mint& operator-=(const mint& a){ if((x+=mod-a.x)>=mod)x-=mod; return *this; } mint& operator*=(const mint& a){ (x *= a.x) %= mod; return *this; } mint operator+(const mint& a) const{ mint res(*this); return res+=a; } mint operator-(const mint& a) const{ mint res(*this); return res-=a; } mint operator*(const mint& a) const{ mint res(*this); return res*=a; } mint pow(long long n) const { assert(0 <= n); mint a = *this, r = 1; while (n) { if (n & 1) r *= a; a *= a; n >>= 1; } return r; } mint inv() const{ return pow(mod-2); } mint& operator/=(const mint& a){ return (*this)*=a.inv(); } mint operator/(const mint& a) const { mint res(*this); return res/=a; } friend ostream& operator<<(ostream& os, const mint& m){ os << m.x; return os; } bool operator==(const mint& a) const { return x == a.x; } bool operator<(const mint& a) const{ return x < a.x; } }; template< typename T > struct BIT{ int n; vector data; BIT(int n):n(n),data(n+1,0){} void add(int i,T x){ i++; while(i<=n){ data[i] += x; i += i & (-i); } } //sum of [l,r) T sum(int l,int r){ return sum(r-1)-sum(l-1); } T sum(int i){ i++; T now = 0; while(i>0){ now += data[i]; i -= i & (-i); } return now; } }; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); ll n,q; cin>>n>>mod>>q; BIT bit(n+1); vector sum(q+5,0); for(int i = 1;i<=q+4;i++) sum[i] += sum[i-1] + i; while(q--){ ll l,m,r; cin>>l>>m>>r; l--; bit.add(l,1); bit.add(r,-1); m--; ll cnt = bit.sum(0,m+1); mint x = 1 + cnt; mint z = mint(3).pow(cnt); mint y = mint(3).pow(cnt); if(cnt){ y += mint(2) * mint(3).pow(cnt-1) * (sum[cnt+1] - mint(1)); } cout<