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#include <fstream>
using namespace std;
const int C=256*257/2;
bool mat[257][C];
int main()
{
ifstream f ("lacate.in");
ofstream g ("lacate.out");
int n,cont=0;
f>>n;
g<<n*(n-1)/2<<" "<<n-1<<"\n";
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++){
mat[i][++cont]=1;
mat[j][cont]=1;
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n*(n-1)/2;j++)
if(mat[i][j]) g<<j<<" ";
g<<"\n";
}
return 0;
}