Baekjoon #9342

#include<bits/stdc++.h>

using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    int T; cin >> T;
    while(T--) {
        string s; cin >> s;
        bool flag = true;
        int idx = 0, N = (int)s.size();
        if(idx < N && 'B' <= s[idx] && s[idx] <= 'F') idx++;
        for(char cur : {'A', 'F', 'C'}) {
            int cnt = 0;
            while(idx < N && s[idx] == cur) idx++, cnt++;
            if(cnt == 0) flag = false;
        }
        if(idx < N && 'A' <= s[idx] && s[idx] <= 'F') idx++;
        if(idx < N) flag = false;
        if(flag) cout << "Infected!\n";
        else cout << "Good\n";
    }

    return 0;
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) throws IOException{
		FastReader rd = new FastReader();
		
		int size = rd.nextInt();
		
		String str = "[A-F]?A+F+C+[A-F]?$";
		
		StringBuilder sb = new StringBuilder();
		while(size --> 0) {
			sb.append(rd.nextLine().matches(str) ? "Infected!" : "Good").append("\n");
		}
		System.out.print(sb);
	}
	static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while(st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() { return Integer.parseInt(next()); }
        long nextLong() { return Long.parseLong(next()); }
        double nextDouble() { return Double.parseDouble(next()); }
        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}

import sys
import re

def input():
    return sys.stdin.readline().rstrip()

regex = re.compile('^[A-F]?A+F+C+[A-F]?$')
N = int(input())
for testcase in range(N):
    line = input()
    print("Infected!" if regex.match(line) else "Good")