using namespace std;
int ccc(int n, int m){  
    srand((unsigned)time(NULL) * rand());
    return rand() % m + n;
}
int main()
{
	char k;
	freopen("1.in","w",stdout);
	for(int i=1;i<=100;i++)
	{
		cout<<char(ccc(65,122));
	}
	return 0;
}