#include using namespace std; #define int long long #define REP(i,m,n) for(int i=(m);i<(n);i++) #define rep(i,n) REP(i,0,n) #define pb push_back #define all(a) a.begin(),a.end() #define rall(c) (c).rbegin(),(c).rend() #define mp make_pair #define endl '\n' #define vec vector #define mat vector > #define fi first #define se second typedef long long ll; typedef pair pll; typedef long double ld; const ll inf=1e9+7; const ll mod=998244353; signed main(){ ll k,n,m;cin>>k>>n>>m; vectora(100210); vectorc(k); rep(i,k)cin>>a[i]; rep(i,k)cin>>c[i]; //aの生成 REP(i,k,100210){ ll res=0; rep(j,k){ res=(res+a[i-j-1]*c[j]%inf)%inf; } a[i]=res; } //L以上に全て操作行ってから、R以上に全て操作をおこなったものを引く vectorL(m); vectorR(m); rep(i,m){ cin>>L[i]>>R[i].first; R[i].second=R[i].first-L[i]; } vectorx(100210); sort(all(L)); ll i=0; REP(j,k,100210){ while(i=L[i]+k){ rep(l,k){ x[L[i]+l]=(x[L[i]+l]+a[l])%inf; } i++; } ll res=0; rep(l,k){ res=(res+c[l]*x[j-l-1]%inf)%inf; } x[j]=(x[j]+res)%inf; } //引く方 i=0; vectory(100210); sort(all(R)); REP(j,k,100210){ while(i=R[i].first+k){ //cout<