text: #include <bits/stdc++.h>
  using namespace std;
  #define rep(i,a,n) for (int i=a;i<n;i++)
  #define per(i,a,n) for (int i=n-1;i>=a;i--)
  #define pb push_back
  #define mp make_pair
  #define all(x) (x).begin(),(x).end()
  #define fi first
  #define se second
  #define SZ(x) ((int)(x).size())
  typedef long long ll;
  typedef double db;
  mt19937 mrand(random_device{}()); 
  const ll mod=1000000007;
  int rnd(int x) { return mrand() % x;}
  ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
  ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
  // head
  
  /*Global variables*/
  
  int main() {
  	ios::sync_with_stdio(false);
  	cin.tie(nullptr);
  	cout.tie(nullptr);
  	//IO
  
  	int n;
  	cin >> n;
  	cout << n + 1 << "\n";
  
      return 0;
  }
  