import java.util.Scanner;

public class Solver {

	public static void main(String[] args) {
		Scanner cin = new Scanner(System.in);
		int numMapper[] = { 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 };

		while(cin.hasNext()){
			String ID = cin.next();
			char IDChar = ID.charAt(0);
			int IDNum[] = new int[11];
			int checkCode=0;

			for(int i = 1; i <= 9; ++i){
				IDNum[i+1] = Character.getNumericValue(ID.charAt(i));
			}
			IDNum[0] = numMapper[IDChar-'A'] / 10;
			IDNum[1] = numMapper[IDChar-'A'] % 10;
			checkCode += IDNum[0];

			for(int i = 1; i <= 9; i++){
				checkCode += IDNum[i] * (10-i);
			}
			checkCode += IDNum[10];

			if(checkCode % 10 != 0){
				System.out.println("fake");
			}
			else{
				System.out.println("real");
			}
		}
	}
}