#include using namespace std; using ll=long long; #include using mint=atcoder::modint1000000007; int main(){ ll H,W; cin>>H>>W; vector> A(H, vector(W)); mint ans=1; for(ll i=0;i>A[i][j]; ans*=A[i][j]; } } vector X(H,1),Y(W,1); for(ll i=0;i>Q; for(ll i=0;i>r>>c; mint a=(mint)(ans/(X[r-1]*Y[c-1])*A[r-1][c-1]); cout<