#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <string>
#include <cstring>
#include <cmath>
#include <cctype>
#include <algorithm>
#include <sstream>

#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <bitset>
#include <iterator>

using namespace std;

typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;

#define INF 1e9
#define ll long long
#define ull unsigned long long

int main()
{
  //  freopen("C:\\Users\\Sonia\\Documents\\mindCoding.ro\\in.txt", "r", stdin);
    string str;
    cin >> str;
    cout << 73 << endl;

    return 0;
}