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//数学计算7!=5040

//3!=6

//所以结果为7!/3!=840

#include <iostream>

using namespace std;

typedef void (__stdcall *PROCESS_FUNCTION)(int *, int);

int cnt = 0;

void __stdcall foo(int* t, int n)

{

    int        mark[7];

    int        curr = 0;

    int        i;

    for (i = 0; i < n;   i)

        if (t[i]==2||t[i]==3||t[i]==6)

            mark[curr  ]=t[i];

    if (mark[0]<mark[1]&&mark[1]<mark[2])

    {

        for (i = 0; i < n;   i)

            cout << t[i];

        cout << endl;

          cnt;

    }

}

void perm_impl(int* data, int n, int curr, PROCESS_FUNCTION ope)

{

    if (curr == n - 1)

    {

        ope(data, n);

    }

    else

    {

        for (int i = curr; i < n;   i)

        {

            int t;

            t = data[curr], data[curr] = data[i], data[i] = t;

            perm_impl(data, n, curr 1, ope);

            t = data[curr], data[curr] = data[i], data[i] = t;

        }

    }

}

void perm(int n, PROCESS_FUNCTION ope)

{

    int* t = new int[n];

    for (int i = 0; i < n;   i)

        t[i] = i 1;

    perm_impl(t, n, 0, ope);

    delete[] t;

}



int main()

{

    perm(7, foo);

    cout << cnt << endl;

}