#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i=0; i<n; i++)
#define rrep(i, n) for(int i=n-1; i>=0; i--)
#define FOR(i, a, b) for(int i=a; i<b; i++)
#define ALL(v) v.begin(),v.end()
#define pb push_back
#define eb emplace_back
#define mp make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LLINF = 1e18;
const ll MOD = 1e9+7;
const double EPS = 1e-10;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<int MOD> struct modint {
    long long val;
    constexpr modint(long long v = 0) noexcept : val(v % MOD) {
        if (val < 0) val += MOD;
    }
    constexpr int getmod() { return MOD; }
    constexpr modint operator - () const noexcept {
        return val ? MOD - val : 0;
    }
    constexpr modint operator + (const modint& r) const noexcept { return modint(*this) += r; }
    constexpr modint operator - (const modint& r) const noexcept { return modint(*this) -= r; }
    constexpr modint operator * (const modint& r) const noexcept { return modint(*this) *= r; }
    constexpr modint operator / (const modint& r) const noexcept { return modint(*this) /= r; }
    constexpr modint& operator += (const modint& r) noexcept {
        val += r.val;
        if (val >= MOD) val -= MOD;
        return *this;
    }
    constexpr modint& operator -= (const modint& r) noexcept {
        val -= r.val;
        if (val < 0) val += MOD;
        return *this;
    }
    constexpr modint& operator *= (const modint& r) noexcept {
        val = val * r.val % MOD;
        return *this;
    }
    constexpr modint& operator /= (const modint& 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 modint& r) const noexcept {
        return this->val == r.val;
    }
    constexpr bool operator != (const modint& r) const noexcept {
        return this->val != r.val;
    }
    friend constexpr ostream& operator << (ostream &os, const modint<MOD>& x) noexcept {
        return os << x.val;
    }
    friend constexpr modint<MOD> modpow(const modint<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;
    }
};
using mint = modint<MOD>;

mint dp[110][10];

int main() {
    int h, w, k;
    cin >> h >> w >> k;


    rep(i, 10) rep(j, 10) dp[i][j] = 0;
    dp[0][0] = 1;
    rep(i, h) rep(j, w) {
        rep(k, 1 << (w-1)) {
            bool ok = true;
            rep(l, w-2) {
                if ((k & (1 << l)) && (k & (1 << (l+1)))) ok = false;
            }
            if (ok) {
                if (j > 0 && (k & 1 << (j-1))) dp[i+1][j] += dp[i][j-1];
                else if (j < w-1 && (k & 1 << j)) dp[i+1][j] += dp[i][j+1];
                else dp[i+1][j] += dp[i][j];
            }
        }
    }

    // rep(i, h+1) {
    //     rep(j, w) printf("%9d ", dp[i][j]);
    //     cout << endl;
    // }
    cout << dp[h][k-1] << endl;
}


Measured memory_bytes: 256