Submission #942321

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Source Code Expand

import java.io.*;
import java.util.*;

/**
 * Created by fcdkbear on 15.10.16.
 */
public class Main {

    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        new Task().solve(in, out);
        out.close();
    }


    static class Task {

        public void solve(InputReader in, PrintWriter out) {

            String s = in.next();
            int cIndex = s.indexOf('C');
            int fIndex = s.lastIndexOf('F');
            if ((cIndex == -1) || (fIndex == -1) || (cIndex > fIndex)) {
                out.println("No");
            } else {
                out.println("Yes");
            }

        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

    }

}

Submission Info

Judge Result