//vanitas vanitatum et omnia #include #define fi first #define se second #define eb emplace_back #define mp make_pair using namespace std; typedef long double ld; typedef long long ll; typedef unsigned long long ull; typedef __int128 i128; template T ceil(T x, U y) {return (x>0?(x+y-1)/y:x/y);} template T floor(T x, U y) {return (x>0?x/y:(x-y+1)/y);} template bool chmax(T &a,const S b) {return (a bool chmin(T &a,const S b) {return (a>b?a=b,1:0);} int popcnt(int x) {return __builtin_popcount(x);} int popcnt(ll x) {return __builtin_popcountll(x);} int topbit(int x) {return (x==0?-1:31-__builtin_clz(x));} int topbit(ll x) {return (x==0?-1:63-__builtin_clzll(x));} int lowbit(int x) {return (x==0?-1:__builtin_ctz(x));} int lowbit(ll x) {return (x==0?-1:__builtin_ctzll(x));} #define int long long #define rep(i,a,b) for(int i=(a);i<=(b);i++) #define per(i,a,b) for(int i=(a);i>=(b);i--) typedef pair pii; typedef vector vi; typedef vector vp; typedef tuple tiii; int read() { int x=0,w=1; char c=getchar(); while(!isdigit(c)) {if(c=='-') w=-1; c=getchar();} while(isdigit(c)) {x=x*10+(c-'0'); c=getchar();} return x*w; } const int N=1e5+5,mod=1e9+7; int k,n,m,a[N],c[N],d[N]; vi p[N],q[N]; signed main() { k=read(), n=read(), m=read(); rep(i,0,k-1) a[i]=read(); rep(i,1,k) c[i]=read(); rep(i,k,n) rep(j,1,k) a[i]=(a[i]+a[i-j]*c[j])%mod; rep(i,1,m) { int l=read()+1, r=read(); p[l].eb(r), q[r].eb(l); } rep(i,1,n) { if(i>=k) { int x=i-k; for(int r:p[x]) if(r>=i) { rep(p,0,k-1) d[x+p]=(d[x+p]+a[p])%mod; } } int res=0; rep(j,0,k-1) if(i-j>0) { for(int r:p[i-j]) if(r>=i) res=(res+a[j])%mod; } rep(j,1,k) if(i-j>=0) d[i]=(d[i]+d[i-j]*c[j])%mod; printf("%lld\n",(d[i]+res)%mod); for(int l:q[i]) if(i-l>=k) { int x=i-l; rep(j,0,k-1) d[i-j]=(d[i-j]+mod-a[x-j])%mod; } } return 0; }