diff --git "a/khj20006/202502/14 BOJ G5 \354\236\221\354\235\200 \353\262\214\354\240\220.md" "b/khj20006/202502/14 BOJ G5 \354\236\221\354\235\200 \353\262\214\354\240\220.md"
new file mode 100644
index 00000000..f83574ac
--- /dev/null
+++ "b/khj20006/202502/14 BOJ G5 \354\236\221\354\235\200 \353\262\214\354\240\220.md"	
@@ -0,0 +1,81 @@
+```java
+
+import java.util.*;
+import java.io.*;
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st;
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	static long nextLong() {return Long.parseLong(st.nextToken());}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	static int NA, NB, NC;
+	static int[] A, B, C;
+	
+	public static void main(String[] args) throws Exception {
+		
+		ready();
+		solve();
+	
+		bwEnd();
+		
+	}
+	
+	static void ready() throws Exception{
+
+		nextLine();
+		NA = nextInt();
+		NB = nextInt();
+		NC = nextInt();
+		
+		A = new int[NA];
+		B = new int[NB];
+		C = new int[NC];
+		
+		nextLine();
+		for(int i=0;i<NA;i++) A[i] = nextInt();
+		nextLine();
+		for(int i=0;i<NB;i++) B[i] = nextInt();
+		nextLine();
+		for(int i=0;i<NC;i++) C[i] = nextInt();
+		
+	}
+	
+	static void solve() throws Exception{
+		
+		
+		Arrays.sort(A);
+		Arrays.sort(B);
+		Arrays.sort(C);
+		
+		int ans = Integer.MAX_VALUE;
+		for(int i:A) {
+			int s = 0, e = 0;
+			while(s<NB && e<NC) {
+				ans = Math.min(ans, max(i,B[s],C[e]) - min(i,B[s],C[e]));
+				if(B[s] < C[e]) s++;
+				else e++;
+			}
+		}
+		bw.write(ans+"\n");
+		
+	}
+
+	static int max(int a, int b, int c) {
+		return Math.max(a, Math.max(b, c));
+	}
+	
+	static int min(int a, int b, int c) {
+		return Math.min(a, Math.min(b, c));
+	}
+	
+}
+
+```