import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		sc.nextLine();
		long A[] = new long[3];
		String A1 = sc.nextLine();
		if (A1.indexOf(' ') < 0) {
			A[0] = Long.valueOf(A1);
			A[1] = sc.nextLong();
			A[2] = sc.nextLong();
			if (A[0] == A[1] || A[1] == A[2]) System.out.println(Math.min(A[0], A[1]) + Math.min(A[1], A[2]));
			else {
				Arrays.sort(A);
				System.out.println(A[0] + A[2]);
			}
		} else {
			System.out.println("\"assert\"");
		}
		sc.close();
	}
}