#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>
using namespace std; int n=100,m=100000; double random()
{
return (double)rand()/RAND_MAX;
} int random(int m)
{
return (int)(random()*(m-1)+0.5);
} int main()
{
srand(time(NULL));
cout<<n<<' '<<m<<endl;
for(int i=0;i<m;i++)
{
if(rand()%2==0)
cout<<'A';
else
cout<<'B';
int X,Y;
for(;;)
{
X=random(n)+1;
Y=random(n)+1;
if(X!=Y)
break;
}
cout<<' '<<X<<' '<<Y<<endl;
}
return 0;
}
