#include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;

int main()
{
   int n, result, upper, number, lower;

   cout<<"How many passwords do you want to generate? ";
   cin>>n;

   srand(time(NULL));
   for(int j=0; j<n; j++)
   {

   for(int i=0; i<8; i++)
   {
        result = rand() % 3;

        switch (result)
        {
            case 0 : upper = rand()%(90-65)+65+1;
                     cout<<(char)upper <<"";
                     break;

            case 1 : number = rand()%10;
                     cout<<number <<"";
                     break;

            case 2 : lower = rand()%(122-97)+97+1;
                     cout<<(char)lower <<"";
                     break;
        }
   }
          cout<<endl;
   }

   return 0;
}