1 #include<cstdio>

 2 #include<cstring>

 3 #include<iostream>

 4 #include<cmath>

 5 #include<algorithm>

 6 using namespace std;

 7 const int N=1e6+10;

 8 int a[N];

 9 int main(){

10     int n;

11     while(~scanf("%d",&n)){

12         for(int i=0;i<n;i++)

13             scanf("%d",&a[i]);

14         sort(a,a+n);

15         if(n==2){

16             printf("YES\n");

17             printf("%d\n",a[1]-a[0]+1);

18         }

19         else{

20             int cnt=a[0]+a[1]-1;

21             if(cnt<a[n-1]){

22                 if(cnt+a[0]>a[n-1]){

23                     printf("YES\n");

24                     printf("%d\n",cnt);

25                 }

26                 else printf("NO\n");

27             }

28             else{

29                 if(a[0]+a[n-1]>cnt){

30                     printf("YES\n");

31                     printf("%d\n",cnt);

32                 }

33                 else printf("NO\n");

34             }

35         }

36     }

37     return 0;

38 }