#include <iostream>
#include <stdio.h>
#include <time.h>
using namespace std;
int main() {
srand((unsigned int)time(NULL));
int a;
int b;
int c;
int d;
int aaa;
a=rand()%10;
b=rand()%10;
c=rand()%10;
d=rand()%10;
aaa=rand()%2+1;
if(aaa==1){
cout<<a<<b<<c<<d;
}
if(aaa==2){
cout<<a<<b<<c<<d;
}
// your code goes here
return 0;
}
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