#include "souvenirs.h"
#include <bits/stdc++.h>
using namespace std;
void buy_souvenirs(int n, long long p0){
    if(n==2){
        transaction(p0-1);
    }else {
        for(int i = 0; i < n; i++){
            transaction(p0-i-1);
        }
    }
}
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