#include using namespace std; int main() { int64_t n, m; cin >> n >> m; vector a(n+1); vector b(m+1); vector> c(n+1,vector(m+1)); string op; cin >> op; for(int64_t i=1;i>b[i]; } for(int64_t i=1;i>a[i]; } for(int64_t j=1;j