#include <bits/stdc++.h>
using namespace std;
using ll = long long;
std::pair<std::vector<int>, long long> transaction(long long M);
ll res[101];
void buy_souvenirs(int n, long long p) {
ll t = n - 1;
res[0] = p;
for (int i = 1; i <= n - 2; i ++) {
auto [v, x] = transaction(res[i - 1] - 1);
if (v.size() == 1) {res[i] = res[i - 1] - 1 - x;}
else {t --; res[i] = res[i - 1] - 2;}
// cout << "Turn: " << i << ' ' << x << endl;
for (int j = 1; j < i; j ++) transaction(res[i]);
}
if (t != n - 1) for (int i = 1; i <= t; i ++) transaction(1);
else{
for (int i = 1; i <= n - 1; i ++) transaction(res[n - 2] - 1);
}
// cout << "Res: ";
// for (int i = 0; i < n; i ++) cout << res[i] << ' ';
// cout << endl;
}
