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#include <fstream>
using namespace std;
ifstream f("farfurii.in");
ofstream g("farfurii.out");
int N, K;
int main()
{
int i = 0, j, sum, not;
f >> N >> K;
while (++i <= N)
{
sum = ((N - i) * (N - i - 1)) / 2;
if (sum <= K)
{
if (sum == K)
{
g << i << ' ' << N << ' ';
for (j = N - 1; j > i; --j)
g << j << ' ';
}
else
{
sum = ((N - i + 1) * (N - i)) / 2;
not = N - (sum - K);
g << not << ' ' << N << ' ';
for (j = N - 1; j >= i; --j)
if (j != not)
g << j << ' ';
}
i = N + 3;
}
else
g << i << ' ';
}
return 0;
}