#include <bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP0(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i)
#define REP1(i, n) for (int i = 1, i##_len = (n); i <= i##_len; ++i)

typedef long long LL;
typedef pair<int, int> pii;

const int INTINF = int(1e9) + 1;
const LL LLINF = LL(1e18) + 1;
#define pow10(n) int(1e##n + n)

template <int MOD> struct intmod
{  // modified from http://drken1215.hatenablog.com/entry/2020/02/09/225000
    long long val;
    constexpr intmod(long long v = 0) noexcept : val(v % MOD)
    {
        if (val < 0)
            val += MOD;
    }
    constexpr int getmod()
    {
        return MOD;
    }
    constexpr intmod operator-() const noexcept
    {
        return val ? MOD - val : 0;
    }
    constexpr intmod operator+(const intmod &r) const noexcept
    {
        return intmod(*this) += r;
    }
    constexpr intmod operator-(const intmod &r) const noexcept
    {
        return intmod(*this) -= r;
    }
    constexpr intmod operator*(const intmod &r) const noexcept
    {
        return intmod(*this) *= r;
    }
    constexpr intmod operator/(const intmod &r) const noexcept
    {
        return intmod(*this) /= r;
    }
    constexpr intmod &operator+=(const intmod &r) noexcept
    {
        val += r.val;
        if (val >= MOD)
            val -= MOD;
        return *this;
    }
    constexpr intmod &operator-=(const intmod &r) noexcept
    {
        val -= r.val;
        if (val < 0)
            val += MOD;
        return *this;
    }
    constexpr intmod &operator*=(const intmod &r) noexcept
    {
        val = val * r.val % MOD;
        return *this;
    }
    constexpr intmod &operator/=(const intmod &r) noexcept
    {
        long long a = r.val, b = MOD, u = 1, v = 0;
        while (b)
        {
            long long t = a / b;
            a -= t * b;
            swap(a, b);
            u -= t * v;
            swap(u, v);
        }
        val = val * u % MOD;
        if (val < 0)
            val += MOD;
        return *this;
    }
    constexpr bool operator==(const intmod &r) const noexcept
    {
        return this->val == r.val;
    }
    constexpr bool operator!=(const intmod &r) const noexcept
    {
        return this->val != r.val;
    }
    friend constexpr ostream &operator<<(ostream &os, const intmod<MOD> &x) noexcept
    {
        return os << x.val;
    }
    friend constexpr intmod<MOD> modpow(const intmod<MOD> &a, long long n) noexcept
    {
        if (n == 0)
            return 1;
        auto t = modpow(a, n / 2);
        t = t * t;
        if (n & 1)
            t = t * a;
        return t;
    }
};
const int mod = int(1e9) + 7;
typedef intmod<mod> mint;

// 縦から i 行目までで j に到る場合の数
mint dp[101][10];

void solve()
{
    int H, W, K;
    cin >> H >> W >> K;
    --K;
    dp[0][0] = 1;
    REP0 (h, H)
    {
        REP0 (w, W)
        {
            REP0 (bit, 1 << (W - 1))
            {
                bool ok = true;
                REP0 (k, W - 2)
                {
                    if ((bit & 1 << k) and (bit & 1 << (k + 1)))
                        ok = false;
                }
                if (!ok)
                    continue;

                if (bit & (1 << w))
                    dp[h + 1][w + 1] += dp[h][w];
                else if (w > 0 and bit & 1 << (w - 1))
                    dp[h + 1][w - 1] += dp[h][w];
                else
                    dp[h + 1][w] += dp[h][w];
            }
        }
    }
    cout << dp[H][K] << endl;
}

int main(int argc, char const *argv[])
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    std::cout << std::fixed << std::setprecision(10);
    solve();
    return 0;
}


Measured memory_bytes: 256