#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<string.h>

#define MAX_TEAMS 128

int main()
{
  int Nteams,Ntotal=0,i,j,k,s1,s2,max;

  char *team1 = (char *)malloc(128*sizeof(char));
  char *team2 = (char *)malloc(128*sizeof(char));

  scanf("%d",&Nteams);

  char *teams[MAX_TEAMS];
  int wins[MAX_TEAMS];
  int losses[MAX_TEAMS];
  int rank[MAX_TEAMS];
  int Ngames[MAX_TEAMS];
  int plays[MAX_TEAMS][MAX_TEAMS];
  double rating[MAX_TEAMS];
  double sum[MAX_TEAMS];
  double adjusted[MAX_TEAMS];

  for(i=0;i<Nteams;i++)
    {
      for(j=0;j<Nteams;j++) plays[i][j]=0;
      wins[i] = 0;
      losses[i] = 0;
      Ngames[i]=0;
      sum[j]==0;
      teams[i] = (char *)malloc(128*sizeof(char));
      scanf("%s",teams[i]);
    }

  while(scanf("%s %d %s %d",team1,&s1,team2,&s2)==4)
    {

      if(s1>s2)
	{
	  for(i=0;i<Nteams;i++)
	    {
	      for(j=0;j<Nteams;j++)
		{
		  if(!strcmp(team1,teams[i])&&!strcmp(team2,teams[j])) 
		    {
		      Ngames[i]++;
		      Ngames[j]++;
		      wins[i]++;
		      losses[j]++;
		      plays[i][j]=1;
		      plays[j][i]=1;
		    }
		}
	    }
	}
      else
	{
	  for(i=0;i<Nteams;i++)
	    {
	      for(j=0;j<Nteams;j++)
		{
		  if(!strcmp(team1,teams[i])&&!strcmp(team2,teams[j])) 
		    {
		      Ngames[i]++;
		      Ngames[j]++;
		      wins[j]++;
		      losses[i]++;
		      plays[i][j]=1;
		      plays[j][i]=1;
		    }
		}
	    }
	}
    }


  for(i=0;i<Nteams;i++)
    {
      rating[i] = (1+wins[i])/(2+(float)Ngames[i]);
      for(j=0;j<Nteams;j++) if(plays[i][j]==1) sum[j]+=rating[i];
    }

  for(i=0;i<100;i++)
    {
      for(j=0;j<Nteams;j++)
	{
	  adjusted[j] = (wins[j] - losses[j])/(float)2 + sum[j];
	  rating[j] = (1+adjusted[j])/(2+(float)Ngames[j]);
	  sum[j] = 0;
	}

      for(j=0;j<Nteams;j++)
	for(k=0;k<Nteams;k++) if(plays[j][k]==1) sum[k]+=rating[j];
    }

  for(i=0;i<Nteams;i++)
    {
      max = 0;
      for(j=0;j<Nteams;j++)
	{
	  if(rating[j] > rating[max]) max = j;
	}
      printf("%d. %s\t%0.4lf\n",i+1,teams[max],rating[max]);
      rating[max] = -1;
    }

  free(team1);
  free(team2);

  for(i=0;i<Nteams;i++) free(teams[i]);

  return (0);
}