#include<iostream>
using namespace std;
int a[30][30],n,b[30],c[30],i,j,s,k,p;
void citire (int a[30][30], int n)
{for(i=1;i<=n-1;i++)
for(j=i+1;j<=n;j++)
{cout<<"este muchie intre" << i << " si " << j<<" " ;
cin>>a[i][j];
a[j][i]=a[i][j];
a[i][i]=0;}
a[n][n]=0;}
int grad(int a[30][30], int n, int nod)
{int s=0;
for(int i=1;i<=n;i++)
s=s+a[nod][i];
return s;}
int main()
{cout<<"n=";cin>>n;
citire(a,n);
k=0;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][j]!=0)
{k++;
b[k]=j;}
p=1;
c[p]=1;
for(i=2;i<=n+1;i++)
c[i]=c[i-1]+grad (a,n,i-1);
for(i=1;i<=n;i++)
for(j=c[i];j<=c[i+1]-1;j++)
cout<<"["<<i<<","<<b[j]<<"],";
return 0;}