#line 1 "A.cpp"
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;

using ll = long long;
using ull = unsigned long long;
template <class T>
using pq = priority_queue<T>;
template <class T>
using qp = priority_queue<T, vector<T>, greater<T>>;
#define vec(T, A, ...) vector<T> A(__VA_ARGS__);
#define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__));
#define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__)));

#define endl "\n"
#define spa ' '
#define len(A) A.size()
#define all(A) begin(A), end(A)

#define fori1(a) for(ll _ = 0; _ < (a); _++)
#define fori2(i, a) for(ll i = 0; i < (a); i++)
#define fori3(i, a, b) for(ll i = (a); i < (b); i++)
#define fori4(i, a, b, c) for(ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c))
#define overload4(a, b, c, d, e, ...) e
#define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__)

template <typename T>
vector<tuple<ll, T>> ENUMERATE(vector<T> &A, ll s = 0){
    vector<tuple<ll, T>> ret(A.size());
    for(int i = 0; i < A.size(); i++) ret[i] = {i + s, A[i]};
    return ret;
}

vector<tuple<ll, char>> ENUMERATE(string &A, ll s = 0){
    vector<tuple<ll, char>> ret(A.size());
    for(int i = 0; i < A.size(); i++) ret[i] = {i + s, A[i]};
    return ret;
}

#define enum1(A) fori(A.size())
#define enum2(a, A) for(auto a:A)
#define enum3(i, a, A) for(auto&& [i, a]: ENUMERATE(A))
#define enum4(i, a, A, s) for(auto&& [i, a]: ENUMERATE(A, s))
#define enum(...) overload4(__VA_ARGS__, enum4, enum3, enum2, enum1)(__VA_ARGS__)

template <typename T, typename S>
vector<tuple<T, S>> ZIP(vector<T> &A, vector<S> &B){
    int n = min(A.size(), B.size());
    vector<tuple<T, S>> ret(n);
    for(int i = 0; i < n; i++) ret[i] = {A[i], B[i]};
    return ret;
}

template <typename T, typename S>
vector<tuple<ll, T, S>> ENUMZIP(vector<T> &A, vector<S> &B, ll s = 0){
    int n = min(A.size(), B.size());
    vector<tuple<ll, T, S>> ret(n);
    for(int i = 0; i < n; i++) ret[i] = {i + s, A[i], B[i]};
    return ret;
}

#define zip4(a, b, A, B) for(auto&& [a, b]: ZIP(A, B))
#define enumzip5(i, a, b, A, B) for(auto&& [i, a, b]: ENUMZIP(A, B))
#define enumzip6(i, a, b, A, B, s) for(auto&& [i, a, b]: ENUMZIP(A, B, s))
#define overload6(a, b, c, d, e, f, g, ...) g
#define zip(...) overload6(__VA_ARGS__, enumzip6, enumzip5, zip4, _, _, _)(__VA_ARGS__)

vector<char> stoc(string &S){
    int n = S.size();
    vector<char> ret(n);
    for(int i = 0; i < n; i++) ret[i] = S[i];
    return ret;
}

#define INT(...) int __VA_ARGS__; inp(__VA_ARGS__);
#define LL(...) ll __VA_ARGS__; inp(__VA_ARGS__);
#define STRING(...) string __VA_ARGS__; inp(__VA_ARGS__);
#define CHAR(...) char __VA_ARGS__; inp(__VA_ARGS__);
#define VEC(T, A, n) vector<T> A(n); inp(A);
#define VVEC(T, A, n, m) vector<vector<T>> A(n, vector<T>(m)); inp(A);

const ll MOD1 = 1000000007;
const ll MOD9 = 998244353;

template<class T> auto min(const T& a){
    return *min_element(all(a));
}
template<class T> auto max(const T& a){
    return *max_element(all(a));
}
template <class T, class S>
inline bool chmax(T &a, const S &b) {
  return (a < b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chmin(T &a, const S &b) {
  return (a > b ? a = b, 1 : 0);
}

void FLUSH(){cout << flush;}
void print(){cout << endl;}
template <class Head, class... Tail>
void print(Head &&head, Tail &&... tail) {
    cout << head;
    if (sizeof...(Tail)) cout << spa;
    print(forward<Tail>(tail)...);
}
template<typename T>
void print(vector<T> &A){
    int n = A.size();
    for(int i = 0; i < n; i++){
        cout << A[i];
        if(i == n - 1) cout << endl;
        else cout << spa;
    }
}
template<typename T>
void print(vector<vector<T>> &A){
    for(auto &row: A) print(row);
}
template<typename T, typename S>
void print(pair<T, S> &A){
    cout << A.first << spa << A.second << endl;
}
template<typename T, typename S>
void print(vector<pair<T, S>> &A){
    for(auto &row: A) print(row);
}
template<typename T, typename S>
void prisep(vector<T> &A, S sep){
    int n = A.size();
    for(int i = 0; i < n; i++){
        cout << A[i];
        if(i == n - 1) cout << endl;
        else cout << sep;
    }
}
template<typename T, typename S>
void priend(T A, S end){
    cout << A << end;
}
template<typename T>
void priend(T A){
    priend(A, spa);
}
template<class... T>
void inp(T&... a){
    (cin >> ... >> a);
}
template<typename T>
void inp(vector<T> &A){
    for(auto &a:A) cin >> a;
}
template<typename T>
void inp(vector<vector<T>> &A){
    for(auto &row:A) inp(row);
}
template<typename T, typename S>
void inp(pair<T, S> &A){
    inp(A.first, A.second);
}
template<typename T, typename S>
void inp(vector<pair<T, S>> &A){
    for(auto &row: A) inp(row.first, row.second);
}

template<typename T>
T sum(vector<T> &A){
    T tot = 0;
    for(auto a:A) tot += a;
    return tot;
}

template<typename T>
pair<vector<T>, map<T, int>> compression(vector<T> X){
    sort(all(X));
    X.erase(unique(all(X)), X.end());
    map<T, int> mp;
    for(int i = 0; i < X.size(); i++) mp[X[i]] = i;
    return {X, mp};
}

#line 3 "Library/C++/math/BitMatrix.hpp"
using namespace std;

struct BitMatrix{
    using u64 = unsigned long long;
    int n, m;
    int m_;
    vector<vector<u64>> A;
    BitMatrix() = default;
    BitMatrix(int n, int m) : n(n), m(m){
        m_ = (m + 63) >> 6;
        A.assign(n, vector<u64>(m_, 0));
    }
    BitMatrix(int n) : n(n), m(n){
        m_ = (m + 63) >> 6;
        A.assign(n, vector<u64>(m_, 0));
    }
    BitMatrix(vector<vector<bool>> &B) : n(B.size()), m(B[0].size()){
        m_ = (m + 7) / 8;
        A.assign(n, vector<u64>(m_, 0));
        for(int i = 0; i < n; i++) for(int j = 0; j < m; j++){
            A[i][j >> 6] |= 1ull << (j & 63);
        }
    }

    bool at(int i, int j){
        return (A[i][j >> 6] >> (j & 63)) & 1;
    }

    bool get(int i, int j){
        return (A[i][j >> 6] >> (j & 63)) & 1;;
    }

    void set(int i, int j, bool t){
        if(at(i, j) == t) return;
        A[i][j >> 6] ^= 1ull << (j & 63);
    }

    BitMatrix T(){
        BitMatrix B(m, n);
        for(int i = 0; i < m; i++) for(int j = 0; j < n; j++){
            if(at(j, i)){
                B.A[i][j >> 6] |= 1ull << (j & 63);
            }
        }
        return B;
    }

    BitMatrix &operator&=(const BitMatrix &B){
        assert(n == B.n);
        assert(m == B.m);
        for(int i = 0; i < n; i++) for(int j = 0; j < m_; j++){
            this->A[i][j] &= B.A[i][j];
        }
        return *this;
    }

    BitMatrix &operator|=(const BitMatrix &B){
        assert(n == B.n);
        assert(m == B.m);
        for(int i = 0; i < n; i++) for(int j = 0; j < m_; j++){
            this->A[i][j] |= B.A[i][j];
        }
        return *this;
    }
    
    BitMatrix &operator^=(const BitMatrix &B){
        assert(n == B.n);
        assert(m == B.m);
        for(int i = 0; i < n; i++) for(int j = 0; j < m_; j++){
            this->A[i][j] ^= B.A[i][j];
        }
        return *this;
    }

    BitMatrix &operator*=(const BitMatrix &B){
        assert(m == B.n);
        vector<vector<u64>> BT(m_, vector<u64>(B.m, 0));
        for(int i = 0; i < m; i++) for(int j = 0; j < B.m; j++){
            if((B.A[i][j >> 6] >> (j & 63)) & 1){
                BT[i >> 6][j] |= 1ull << (i & 63);
            }
        }
        vector<vector<u64>> C(n, vector<u64>((B.m + 63) >> 6, 0));
        for(int i = 0; i < n; i++) for(int k = 0; k < B.m; k++){
            for(int j = 0; j < m_; j++){
                if(A[i][j] & BT[j][k]){
                    C[i][k >> 6] |= 1ull << (k & 63);
                    break;
                }
            }
        }
        swap(A, C);
        return *this;
    }

    BitMatrix operator&(const BitMatrix &B) const{
        return (BitMatrix(*this) &= B);
    }

    BitMatrix operator|(const BitMatrix &B) const{
        return (BitMatrix(*this) |= B);
    }

    BitMatrix operator^(const BitMatrix &B) const{
        return (BitMatrix(*this) ^= B);
    }

    BitMatrix operator*(const BitMatrix &B) const{
        return (BitMatrix(*this) *= B);
    }

    void I(){
        assert(n == m);
        A.assign(n, vector<u64>(m_, 0));
        for(int i = 0; i < n; i++){
            A[i][i >> 6] |= 1ull << (i & 64);
        }
    }

    BitMatrix pow(u64 k){
        assert(n == m);
        auto B = *this;
        BitMatrix ret(n, m);
        ret.I();
        while(k > 0){
            if(k & 1) ret *= B;
            B *= B;
            k >>= 1;
        }
        return ret;
    }
};

void print(BitMatrix &M){
    for(int i = 0; i < M.n; i++){
        for(int j = 0; j < M.m; j++) priend(M.at(i, j), "");
        print();
    }
}
#line 186 "A.cpp"

void solve(){
    INT(v, d);
    BitMatrix A(v, v);
    fori(i, v){
        STRING(S);
        enum(j, s, S){
            if(s == '1') A.set(i, j, 1);
        }
    }
    A = A.pow(d);
    fori(i, v) fori(j, v){
        if(!A.at(i, j)){
            print("No");
            return;
        }
    }
    print("Yes");
}

int main(){
    cin.tie(0)->sync_with_stdio(0);
    int t;
    t = 1;
    // cin >> t;
    while(t--) solve();
    return 0;
}