#include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long int LL; typedef pair P; typedef pair > PP; typedef pair LP; const int INF=1<<30; const LL MAX=1e9+7; void array_show(int *array,int array_n,char middle=' '){ for(int i=0;i>a>>b; if(a==16 && b==16){ cout<<"18446744073709551616"<