結果
| 問題 | 
                            No.726 Tree Game
                             | 
                    
| コンテスト | |
| ユーザー | 
                             tutuz
                         | 
                    
| 提出日時 | 2018-08-27 08:10:33 | 
| 言語 | Java  (openjdk 23)  | 
                    
| 結果 | 
                             
                                WA
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 2,968 bytes | 
| コンパイル時間 | 2,264 ms | 
| コンパイル使用メモリ | 78,052 KB | 
| 実行使用メモリ | 51,424 KB | 
| 最終ジャッジ日時 | 2024-07-01 04:05:28 | 
| 合計ジャッジ時間 | 4,732 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge1 / judge3 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 19 WA * 6 | 
ソースコード
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.InputMismatchException;
import java.util.StringTokenizer;
public class Main {
	public static void main(String[] args) throws IOException {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskX solver = new TaskX();
		solver.solve(1, in, out);
		out.close();
	}
	static int INF = 1 << 30;
	static long LINF = 1L << 55;
	static int MOD = 1000000007;
	static int[] mh4 = { 0, -1, 1, 0 };
	static int[] mw4 = { -1, 0, 0, 1 };
	static int[] mh8 = { -1, -1, -1, 0, 0, 1, 1, 1 };
	static int[] mw8 = { -1, 0, 1, -1, 1, -1, 0, 1 };
	static class TaskX {
		public void solve(int testNumber, InputReader in, PrintWriter out) {
			long y = in.nextLong();
			long x = in.nextLong();
			if (isPrime(y) || isPrime(x)) {
				out.println("First");
				return;
			}
			long nx = -1, ny = -1;
			for (long i = x;; i++) {
				if (isPrime(i)) {
					nx = i;
					break;
				}
			}
			for (long i = y;; i++) {
				if (isPrime(i)) {
					ny = i;
					break;
				}
			}
			if ((nx - x + 1 + ny - y + 1) % 2 == 0) {
				out.println("Second");
				return;
			} else {
				out.println("First");
				return;
			}
		}
		boolean isPrime(long n) {
			if (n == 1L) return false;
			if (n == 2L) return true;
			boolean ret = true;
			for (int i = 2; i <= Math.sqrt(n); i++) {
				if (n % i == 0) {
					ret = false;
				}
			}
			return ret;
		}
	}
	static class InputReader {
		BufferedReader in;
		StringTokenizer tok;
		public String nextString() {
			while (!tok.hasMoreTokens()) {
				try {
					tok = new StringTokenizer(in.readLine(), " ");
				} catch (IOException e) {
					throw new InputMismatchException();
				}
			}
			return tok.nextToken();
		}
		public int nextInt() {
			return Integer.parseInt(nextString());
		}
		public long nextLong() {
			return Long.parseLong(nextString());
		}
		public double nextDouble() {
			return Double.parseDouble(nextString());
		}
		public int[] nextIntArray(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt();
			}
			return res;
		}
		public int[] nextIntArrayDec(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt() - 1;
			}
			return res;
		}
		public long[] nextLongArray(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong();
			}
			return res;
		}
		public long[] nextLongArrayDec(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong() - 1;
			}
			return res;
		}
		public InputReader(InputStream inputStream) {
			in = new BufferedReader(new InputStreamReader(inputStream));
			tok = new StringTokenizer("");
		}
	}
}
            
            
            
        
            
tutuz