#include <iostream>
#include <cstring>
#include <algorithm>
#include <iomanip>
#include <cstdlib>
#include <cmath>
#include <set>
#include <queue>
#include <vector>
#include <stack>
#include <map>
#include <deque>
#include <ctime>
#include <climits>

#define ll long long
#define ull unsigned long long

using namespace std;

int main() {
    
    cout << 73 << "\n";
    
    return 0;
}