#include <iostream>#include <string>#include <stdlib.h> #include <time.h> using namespace std;int main(){	int a, x1, x2, s;	string str1[2] = {"A1910", "A1423"};		srand((unsigned)time(NULL));		a = rand() % 10;	x1 = rand() % 10;	s = rand() % 2;		for(int i = 0; i < 10; i++)	{		if((x1 + i) % 10 == 4)			{				x2 = i;				break;			}	}		cout << str1[s] << a << a << x1 << x2 << a << endl;		return 0;}

Private Function GetKey() As String    Dim str1(2) As String    Dim a As Integer, x1 As Integer, x2 As Integer, s As Integer    str1(1) = "A1910"    str1(2) = "A1423"        Randomize    a = Int(Rnd * 10)    x1 = Int(Rnd * 10)    s = Int(Rnd * 2) + 1        For i = 0 To 9            If (x1 + i) Mod 10 = 4 Then                x2 = i                Exit For            End If    Next i                GetKey = str1(s) & a & a & x1 & x2 & aEnd Function