---

#include<iostream>

#include<string>

 

using namespace std;

 

 

int main(){

string ident;

int temp=0,sum=0;

 

while(cin >> ident){

int calculator=8,result=0,sum=0;

 

if(ident.size() != 10){

break;

}

 

if(ident[0] < 65 || ident[0] > 90){

break;

}

for(int i = 1 ; i < 9 ; i++){

if(ident[i] < 48 || ident[i] > 57)

break;

}

 

 

 

 

if(ident[0] <= 'H'){

temp = ident[0] - 55;

}

if(ident[0] == 'I'){

temp = 34;

}

if(ident[0] > 'I' && ident[0] < 'O'){

temp = ident[0] - 56;

}

if(ident[0] == 'O'){

temp = 35;

}

if(ident[0] > 'O' && ident[0] < 'W'){

temp = ident[0] - 57;

}

if(ident[0] == 'W'){

temp = 32;

}if(ident[0] > 'W' && ident[0] <= 'Z'){

temp = ident[0] - 58;

}

 

 

int Ar[9]={0};

for(int i = 0 ; i < 9 ; i++){

Ar[i] = ident[i+1]-48;

}

 

 

result = (temp/10) + ((temp%10)*9) + Ar[8];

 

for(int i = 0 ; i < 8 ; i++){

if(calculator > 0){

sum = sum+(Ar[i]*calculator);

calculator--;

}

}

 

result = result+sum;

if(result%10 == 0)

cout << "real" << endl;

else

cout << "fake" << endl;

}

 

 

 

return 0;

}