#include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)< pii; typedef vector vi; typedef vector vll; template class ModInt{ public: ModInt():value(0){} ModInt(long long val):value((int)(val<0?MOD+val%MOD:val%MOD)){ } ModInt& operator+=(ModInt that){ value = value+that.value; if(value>=MOD)value-=MOD; return *this; } ModInt& operator-=(ModInt that){ value -= that.value; if(value<0)value+=MOD; return *this; } ModInt& operator*=(ModInt that){ value = (int)((long long)value * that.value % MOD); return *this; } ModInt &operator/=(ModInt that){ return *this *= that.inverse(); } ModInt operator+(ModInt that) const{ return ModInt(*this)+=that; } ModInt operator-(ModInt that) const{ return ModInt(*this)-=that; } ModInt operator*(ModInt that) const{ return ModInt(*this)*=that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const{ if(value == 0)return 0; ModInt n = *this, res = 1; while(k){ if(k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, 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); } return ModInt(u); } int toi() const{ return value; } private: int value; }; typedef ModInt<1000000007> mint; ostream& operator<<(ostream& os, const mint& x){ os << x.toi(); return os; } template class Matrix{ public: int n, m; Matrix(){ } Matrix(int n_, int m_):n(n_), m(m_), A(n, vector(m)){ } #define ITER(a,b) for(int i=0;i 0){ if(k & 1) C *= D; D *= D; k >>= 1; } return C; } Val& operator()(int i, int j){ return A[i][j]; } vector& operator[](int i){ return A[i]; } vector mulVec(const vector & u){ assert((int)u.size() == m); Matrix v(m, 1); for(int i = 0; i < m; ++i)v[i][0] = u[i]; v = (*this)*v; vector w(n); for(int i = 0; i < n; ++i)w[i] = v[i][0]; return w; } private: vector> A; }; typedef Matrix mat; const int DICE[2][6] = {{2,3,5,7,11,13},{4,6,8,9,10,12}}; ll N; int PC[2]; void solve(){ mat A(126, 126); vector S(126); vector vTmp(2, vi(126)); rep(i, 2){ rep(a, 6)rep(b, 6)rep(c, 6)rep(d, 6)rep(e, 6)rep(f, 6){ if(a + b + c + d + e + f == PC[i]){ vi cnt{a,b,c,d,e,f}; int val = 0; rep(j, 6) val += cnt[j] * DICE[i][j]; vTmp[i][val]++; } } } mint tmp = 0; rep(i, 126)rep(j, 126)if((tmp=(mint)vTmp[0][i] * vTmp[1][j]).toi()){ A[0][i + j - 1] += tmp; S[i + j] += tmp; } FOR(i, 1, 126) A[i][i - 1] = 1; A ^= N; vector v(126); v[0] = 1; v = A.mulVec(v); mint ans; FOR(need, 1, 126) FOR(i, need, 126) ans += v[need] * S[i]; cout << ans << endl; } int main(){ while(cin >> N >> PC[0] >> PC[1]){ solve(); } }