program utepites;
type jarmuv=record
     o,p,m,ut:integer;
     varos:char;
     end;
var i,j,n,x,c,akt,elozo:integer;
    t:text;
    k:char;
    cs:jarmuv;
    a:array[1..2000]of jarmuv;
    mas:array[1..2000]of jarmuv;
    ora:array[7..16]of record a,f:word;end;
begin

  assign(t,'forgalom.txt');
  reset(t);
  readln(t,n);
  for i:=1 to n do
    readln(t,a[i].o,a[i].p,a[i].m,a[i].ut,k,a[i].varos);
  close(t);
writeln('1. feladat');
  writeln(n,' db sort olvastam be');
writeln('2.feladat');
  write('Kerem az n-edik utazo szamat : ');
  readln(x);
  if a[x].varos='F' then writeln('Also varos fele tart')
                    else writeln('Felso varos fele tart');
writeln('3.feladat');
  j:=1;
  for i:=1 to n do
    if a[i].varos='F' then
    begin
      mas[j]:=a[i];
      inc(j);
    end;
  i:=1;
  while mas[i].o<>0 do
    inc(i);
  c:=i-1;
  writeln('az utolso ket FElso varosba tarto auto kozotti kulombseg: ',
          (mas[c].o-mas[c-1].o)+((mas[c].p-mas[c-1].p)*60)+(mas[c].m-mas[c-1].m),' mdp');
writeln('4.feladat');
  for i:=1 to n do
    if a[i].varos='A' then
      inc(ora[a[i].o].a)
    else
      inc(ora[a[i].o].f);
  for i:=7 to 16 do
    writeln(i:2,' ',ora[i].a,' ',ora[i].f);
writeln('5. feladat');
  mas:=a;
  for i:=1 to n-1 do
    for j:=1 to i-j do
    if mas[j].ut>mas[j+1].ut then
    begin
      cs:=mas[j];
      mas[j]:=mas[j+1];
      mas[j+1]:=cs;
    end;
  //for i:=1 to 20 do
  //  writeln(mas[i].o:2,mas[i].p:3,mas[i].m:3,mas[i].ut:3,mas[i].varos:2);
  akt:=0;
  j:=1;
  i:=1;
  while (j<=10) do
  begin
    if mas[i].ut<>akt then
    begin
      write(mas[i].o:2,mas[i].p:3,mas[i].m:3,1000/mas[i].ut:5:1,' m/s ');
      if mas[i].varos='A' then writeln('Also')
                          else writeln('Felso');
      akt:=mas[i].ut;
      inc(j);
    end;
    inc(i);
  end;
writeln('6.feladat');
  j:=0;
  for i:=1 to n do
    if a[i].varos='F' then
    begin
      inc(j);
      mas[j]:=a[i];
    end;
  n:=j;
  //for i:=1 to n do
  //  writeln(mas[i].o:2,mas[i].p:3,mas[i].m:3,mas[i].ut:4,mas[i].varos:2);
  writeln('F (db): ',n);
  akt:=0;
  elozo:=0;
  assign(t,'also.txt');
  rewrite(t);
  for i:=1 to n do
    begin
      akt:=mas[i].o*3600+mas[i].p*60+mas[i].m+mas[i].ut;
      if elozo>akt then akt:=elozo;
      //o=div3600 p=(p+m=mod3600)div60 m=(p+m=mod3600)mod60
      writeln(t,akt div 3600,' ',(akt mod 3600)div 60,' ',(akt mod 3600)mod 60);
      elozo:=akt;
    end;
  close(t);
readln;
end.