#include<stdio.h>
#define nmax 120000

struct punct
    {int x,y;}
	  p[nmax+100];

void read()
	{freopen("in.txt","r",stdin);
	 int i;
	 scanf("%d",&N);
	 for(i=1;i<=N;i++)
		   scanf("%d %d",&p[i].x,&p[i].y);
     fclose(stdin);
	}
punct most_leftdown_p()
	{int j;
	 punct min;
	 min.x=1000000001;min.y=1000000001;
	 
	 for(j=1;j<=N;j++)
	                    {
		 if(p[i].x<min.x)
			   {min=p[i];imin=i;}
		 else if(p[i].x==min.x && p[i].y<min.y)
		       {min=p[i];imin=i;}
         }			 
     return imin;
	}	 
void solveNwrite()
	{freopen("out.txt","w",stdout);
	 punct cur;
	 cur=most_leftdown_p();
	 
	 do
	     {printf("%d %d",cur.x,cur.y);
          for(i=1;i<=N;i++)
            if(i!=cur)
                				
	 
	
int main()
	{read();
	 solve();