---

#include<iostream>
using namespace std;
int main()
{
  char id[10];
  int p[26]={10,11,12,13,14,15,16,17,34,18,19,20,21,22,35,23,24,25,26,27,28,29,32,30,31,33},a,b,c,d,i; 
  while(1)
  {
      cin>>id;
      a=p[id[0]-65];
      b=(a%10)*9+(a/10);
     
      for(i=1;i<=8;i=i+1)
          c=(id[i]-48)*(9-i);
         
      d=b+c+id[9]-48;
      if(d%10!=0)
          cout<<"fake\n";
      else
          cout<<"real\n";
  }
 
  return 0;
}