#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vi vector<int>
#define vll vector<long long>
#define vpp vector<pair<int,int>>
#define en '\n'
#define py cout<<"YES\n"
#define pn cout<<"NO\n"
#define fi  for(int i=0;i<n;i++) cin>> a[i]
#define ff(s,e) for(long long int i=s;i<e;i++)
#define cf(s,e) for(long long int i=s;i<=e;i++)
#define rf(e,s) for(long long int i=e-1;i>=s;i--)
#define fast ios::sync_with_stdio(false); cin.tie(0);

bool isLeapYear(int year) {
    if ((year % 4 == 0 && year % 100 != 0) || ( year % 400 == 0)){
        return true;
    }
    return false;
}
int dayOfWeek(int day, int month, int year) {
    if (month == 1 || month == 2) {
        month += 12;
        year -= 1;
    }
    int K = year % 100;
    int J = year / 100;
    int f = day + (13 * (month + 1)) / 5 + K + K / 4 + J / 4 + 5 * J;
    return f % 7;
}

void solve(){
  int year; cin>>year;
  int feb;
  if(isLeapYear(year)) feb=29;
  else feb=28;
  int mm[13]={-1,31,feb,31,30,31,30,31,31,30,31,30,31};
  int dd[7]={2,1,7,6,5,4,3};
          
          int ans=0;
     for(int i=1;i<=12;i++){
         int dat=dayOfWeek(1,i,year);
          int raf=mm[i]-dd[dat];
          if(raf%7==0) ans+=((raf/7)+1);
          else  ans+=((raf/7)+2);
         
     }

    cout<<ans<<en;
  
}

int main() {
    fast
    // int tt; cin>>tt;
    // while(tt--)  
        solve(); 
    return 0;
}