#include #include using namespace std; const long long MOD = 1000000007; template struct ModInt{ int n; ModInt():n(0){} ModInt(int n_):n(n_ >= 0 ? n_%mod : mod - ((-n_)%mod) ){} ModInt &operator+=(const ModInt &p){ if((n+=p.n) >= mod)n-=mod; return *this; } ModInt &operator-=(const ModInt &p){ n+=mod-p.n; if(n >= mod)n-=mod; return *this; } ModInt &operator*=(const ModInt &p){ n = (int) ((1LL*n*p.n)%mod); return *this; } ModInt &operator/=(const ModInt &p){ *this *= p.inverse(); return *this; } ModInt operator-() const {return ModInt(-n);} ModInt operator+(const ModInt &p) const {return ModInt(*this) += p;} ModInt operator-(const ModInt &p) const {return ModInt(*this) -= p;} ModInt operator*(const ModInt &p) const {return ModInt(*this) *= p;} ModInt operator/(const ModInt &p) const {return ModInt(*this) /= p;} bool operator==(const ModInt &p) const {return n==p.n;} bool operator<(const ModInt &p) const {return n(const ModInt &p) const {return n>p.n;} bool operator>=(const ModInt &p) const {return n>=p.n;} bool operator<=(const ModInt &p) const {return n<=p.n;} bool operator!=(const ModInt &p) const {return n!=p.n;} ModInt inverse() const { int a = n,b = mod,u = 1,v = 0; while(b){ int t = a/b; a -= t*b; swap(a,b); u -= t*v; swap(u,v); } return ModInt(u); } ModInt pow(int64_t z) const { ModInt ret(1),mul(n); while(z > 0){ if(z & 1) ret *= mul; mul *= mul; z >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt &p){ return os << p.n; } friend istream &operator>>(istream &is, ModInt &a){ int64_t t; is >> t; a = ModInt (t); return (is); } }; using mint = ModInt; int main(){ int h,w;cin>>h>>w; vector> A(h,vector(w)); for(int i = 0; h > i; i++){ for(int j = 0; w > j; j++){ cin>>A[i][j]; } } int Ax = 0; vector B(h,1); vector Bx(h,0); vector C(w,1); vector Cx(w,0); mint D = 1; for(int i = 0; h > i; i++){ for(int j = 0; w > j; j++){ if(A[i][j] != 0){ B[i] *= (mint)A[i][j]; C[j] *= (mint)A[i][j]; D *= A[i][j]; }else{ Ax++; Bx[i]++; Cx[j]++; } } } int q;cin>>q; for(int i = 0; q > i; i++){ int r,c;cin>>r>>c;r--;c--; if(Ax-Bx[r]-Cx[c]+(A[r][c]==0?1:0) == 0)cout << D/B[r]/C[c]*A[r][c] << endl; else cout << 0 << endl; } }