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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. #define el '\n'
  4. #define all(v) v.begin() , v.end()
  5. #define allr(v) v.rbegin() , v.rend()
  6. #define YES cout << "YES" << el ;
  7. #define NO cout << "NO" << el ;
  8. const ll N = 2e5 + 5 , M = 1e2 + 5 , mod = 1e9 + 7 , mod2 = 998244353 , INF = 1e18 , OO = 0x3f3f3f3f ;
  9. #define RAMY ios_base::sync_with_stdio(0) , cout.tie(0) , cin.tie(0) ;
  10. using namespace std ;
  11. /*==============================================*/
  12. //! Look Down :)
  13. /*==============================================*/
  14. ll sum = 0 , mx = 0 ; 
  15. vector <ll> divisors ( ll x )  // O (sqrt(N))
  16. {
  17.     vector<ll> answer ;
  18.     for ( ll i = 1 ; i * i <= x  ; i++ )
  19.     {
  20.         if( x % i == 0 )
  21.         {
  22.             if ( i >= mx )
  23.             answer.push_back(i) ;
  24.             if ( i * i != x  && x / i >= mx )
  25.             answer.push_back( x / i ) ;
  26.         }
  27.     }
  28.     sort(all(answer)) ;
  29.     return answer ;
  30. }
  31. void Captain()
  32. { 
  33.     ll n ; cin >> n ; 
  34.     vector < ll > v(n) ;
  35.     map < ll , ll > freq ;
  36.     for ( auto & it : v ) 
  37.     {
  38.         cin >> it ; 
  39.         sum += it ; 
  40.         mx = max ( mx , it ) ;
  41.         freq[it] ++ ;
  42.     }
  43.  
  44.     vector < ll > div = divisors(sum) ;
  45.  
  46.     // for ( auto it : div )
  47.     // cout << it << ' ' ;
  48.  
  49.  
  50.     for ( auto it : div )
  51.     {
  52.         bool f = 1 ;
  53.         for ( auto [ a , b ] : freq )
  54.         {
  55.             if ( a == it ) continue ;
  56.  
  57.             if ( freq[a] != freq[it-a] )
  58.             {
  59.                 f = 0 ;
  60.                 break ;
  61.             }
  62.         }
  63.         if (f)
  64.         cout << it << ' ' ;
  65.     }
  66.     cout << el ;
  67. }
  68. /*==============================================*/
  69. int main()
  70. {
  71.     RAMY
  72.     ll test = 1 ;
  73.     if ( fopen("input.txt","r") )
  74.     {
  75.         freopen("input.txt","r",stdin) ;
  76.         freopen("output.txt","w",stdout) ;
  77.     }
  78.  
  79.     // cin >> test ;
  80.     while ( test -- )
  81.     { Captain() ; }
  82.  
  83.     return 0 ;
  84. }
  85. /*==============================================*/
  86. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⡴⠚⢉⡃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣉⠛⠻⢶⢦⣀
  87. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠖⢫⢗⣴⡿⣻⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠑⢰⣜⣎⣎⠷⢄
  88. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠞⢁⣴⢣⣫⠌⣽⢃⣀⡤⠤⠀⠀⠀⠀⠀⠀⠀⠤⠤⠤⢤⣀⣠⡟⣟⣘⠘⡆⠑⣄⠀
  89. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀  ⠀⡴⠃⣰⡿⣴⡧⠷⠚⠉⠁⣀⣠⠤⢤⣒⣒⣂⣀⣠⣠⣄⣠⣤⣶⣿⡟⠙⠻⢼⣾⡞⡆⠈⣷⡀
  90. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡜⢁⣾⠟⠋⠙⣿⣶⣶⣶⣷⣶⣶⣾⣿⣿6⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣶⣦⣤⣌⣙⠿⣕⡀⠿⡄
  91. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣎⠴⠋⠀⣠⠔⣢⣼⣿⣿⣿⣿⣿⡿⠉⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⠛⢫⡙⠈⠳⣄⢻⡄
  92. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡄⠀⠀⣠⠞⠁⢀⡤⣚⣵⣿⣿⣿⣿⣿⣿⣿⠏⠀⠀⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣦⣄⠈⠲⣄⠈⣳⣇
  93. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⣶⣴⣉⣀⣴⣫⣾⣿⣿⣿⣿⣿⡟⣿⣿⠋⠀⠀⠀⠀⠀⢿⣿⣿⣿⣿⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣆⡈⢧⡈⢙⣆
  94. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⢸⣿⠇⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣿⠀⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡀⠙⣄⠹⣦⡀
  95. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⠋⠀⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⣸⣟⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⠀⠀⠘⣿⣿⣿⡿⣿⣿⣿⣿⣿⣿⡟⢿⡜⣎⢦⠙⣷⡀
  96. //? ⠀⠀⠀⠀⠀⠀⠀⠀⡼⠃⢠⣯⣾⣿⣿⣿⣿⣿⣿⣿⣿⠁⠀⣻⡧⣀⠀⠀⠀⠀⠀⠀⠀⠀⠸⣿⣿⢀⣤⠶⢻⣿⣿⡷⢿⣿⣿⣿⣿⣿⣿⣴⡿⡜⣾⡇⠈⣷
  97. //? ⠀⠀⠀⠀⠀⠀⠀⣼⠁⢠⣿⣿⠟⠋⣽⣿⣿⣿⣿⣿⣧⠶⠚⢻⡏⢿⠲⢦⣀⠀⠀⣠⠀⠀⠀⢿⣿⠋⠀⠀⠸⣿⣿⠀⢸⣿⣿⣿⣿⣿⣿⣿⡅⠙⠀⠘⣄⠙⣧
  98. //? ⠀⠀⠀⠀⠀⠀⢸⠃⠀⣼⡟⠁⠀⣠⣿⣿⣿⣿⣿⣿⠁⠀⠀⠈⢇⠀⢣⠉⠈⠑⠀⠙⢦⠀⠀⢸⡏⠀⢀⣠⣶⣿⠇⠀⠀⣿⣿⣿⣿⣿⣿⣿⣿⣄⠀⠀⢸⠀⠸⡇
  99. //? ⠀⠀⠀⠀⠀⠀⢸⠀⠀⡇⠁⠄⣰⣿⣿⣿⣿⣿⣿⣇⠀⠀⠠⣄⣿⣶⣦⣆⡄⠀⠀⢄⣿⠆⠀⠘⠃⣰⣿⣷⡿⠿⠶⣦⡀⣿⣿⢻⣿⣿⣿⣿⡝⠻⣦⣠⠀⠇⠀⢳
  100. //? ⠀⠀⠀⠀⠀⠀⢸⠇⠀⢁⣴⡾⠿⢻⣿⣿⣿⣿⣿⣿⠀⣠⣾⠟⠉⠠⠶⠛⠇⠀⠀⣿⠁⠀⠀⠀⠈⠛⣙⣉⣉⣀⣠⡴⠛⣿⡏⣿⣿⣿⣿⣿⡇⠀⠀⠙⠈⢡⠀⣼
  101. //? ⠀⠀⠀⠀⠀ ⣾⠄⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣟⢿⡇⠀⠁⠀⠀⠀⠂⠐⠀⠀⠀⠉⠣⠘⠂⠀⣀⣐⣀⣈⣁⡤⠤⠷⠶⣟⠀⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠱⠀⣧
  102. //? ⠀⠀⠀⠀⠀ ⢯⡆⠐⡄⠀⠀⠀⣾⣿⡇⣿⣿⣿⣆⢹⣷⠞⠚⠋⠉⠉⠉⡉⠉⠉⠉⠉⠉⠉⠉⠉⠁⠀⠀⢀⠀⠀⢀⠀⢸⢀⣿⣿⣿⣿⠹⣇⠀⠀⠀⠀⡇⠀⣸
  103. //? ⠀⠀⠀⠀⠀⠀⢸⡃⠀⢳⢰⡀⣄⠈⣿⡀⣼⣛⢻⡏⣿⠃⠀⡆⠀⢠⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⡇⠀⣸⡤⢸⢸⡿⣿⢻⣿⡄⠉⠀⠀⠀⢸⠀⢠⡏
  104. //? ⠀⠀⠀⠀⠀⠀⠀⢧⠀⠈⣧⢷⡙⣮⢯⡧⣇⣯⣷⢹⣸⡆⠦⢽⣄⣘⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠤⠤⠒⠚⡟⠋⠹⢀⡟⡾⣾⣿⢸⠈⢻⣦⣄⣠⢄⡟⣀⡞
  105. //? ⠀⠀⠀⠀⠀⠀⠀⠈⢣⣤⠘⢿⡻⠈⠉⠁⠹⣜⢯⡓⢧⢳⡀⢸⡁⠈⡇⠀⠠⠀⠀⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠀⢀⡼⣽⢗⣫⢏⡞⠀⠛⠿⡿⢃⡞⠀⡞
  106. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠳⣅⠀⠝⣆⠺⣔⢴⣬⣳⢭⣩⣦⢳⣄⠀⠀⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡞⣱⢗⣋⡽⢋⡀⠀⠀⡀⣠⠊⣰⡜
  107. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠢⣄⠈⢳⣌⡛⠋⠉⠁⠀⠈⠳⢼⡷⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⡾⢋⣴⡿⠉⠱⣶⠿⢟⡵⣺⠞⢁⣴⠋
  108. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠓⠤⣀⢀⠀⢦⡿⣔⠯⣷⠆⢻⣶⣬⣳⠲⠤⣄⣀⣀⣀⣤⠤⠤⢖⡻⣟⣭⣴⣿⠏⢳⣺⠴⢀⡀⢉⡜⡁⣠⠞⠁
  109. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⢥⣀⠉⠻⣋⠀⠀⠨⠓⢻⢎⠙⠒⠯⣄⡀⢀⣐⡶⠾⠛⠋⡽⣸⠃⠉⠀⠀⠀⢚⡩⠞⢡⣾⠟⠁
  110. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡬⠵⣶⡤⣄⡐⠦⠄⢸⢸⠀⠁⠀⠀⠉⠉⠀⠀⠀⠀⣸⠁⡏⠄⣀⣀⣤⠮⣭⣤⠚⠋
  111. //? ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡾⢃⣴⣿⣿⣿⣿⣿⣷⣦⡟⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡏⠀⣷⣛⣉⣬⣤⣤⡈⠹⢳⡄
  112. //? ⠀⠀⠀⠀⠀⠀⠀⠀⣠⠴⠚⠉⠛⠒⢲⡏⣰⣿⣿⣿⣿⣿⣿⣿⣿⣿⠃⡞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⠀⢻⣿⣿⣿⣿⣿⣿⣧⠈⠙⠦⣄⡤⠴⠦⣤⡀
  113. //? ⠀⠀⠀⠀⠀⠀⢀⡞⢉⣴⣾⣿⣿⣷⣿⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⣰⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡀⠸⣿⣿⣿⣿⣿⣿⣿⣷⣄⣤⣤⣤⣴⣶⣭⡙⢦⡀
  114. //? ⠀⠀⠀⠀⠀⢠⠏⣠⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⡴⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⡀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡄⠱⡄
  115. //? ⠀⠀⠀⠀⠀⡟⢠⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡫⠞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢤⡙⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⣿⡀
  116. //? ⠀⠀⢀⡴⠞⣡⣬⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠻⠥⠯⢤⣄⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣤⠤⠽⠦⠭⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡞⢿⣦
  117. //? ⠀⣰⠏⣡⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⡀⠀⠀⠀⠀⠉⠙⠲⢤⠀⠀⠀⠀⠤⠒⠋⠉⠁⠀⠀⠀⠀⠀⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣜⠛⣆
  118. //? ⠼⠁⣴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣆⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡆⠘⢆
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