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#include <stdio.h>

int main()
{
int i,n=0,x;
char s[]="TAK";
scanf ("%d",&x);
i=20;
while(i>0)
{
  scanf ("%s %d",&s,&x);
  n++;
  if(s[0]=='N') continue;
  if(s[0]=='N' || ( i<=10 && x>=2)) continue;
  printf ("%d ",n);
  i--;
}
return 0;
}