#include using namespace std; #define modulo 1000000007 #define mod(mod_x) ((((long long)mod_x+modulo))%modulo) #define Inf 1000000000 int main(){ int N,M; cin>>N>>M; char c; cin>>c; vector A(M),B(N); for(int i=0;i>A[i]; for(int i=0;i>B[i]; for(int i=0;i