#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define vtpl(x,y,z) vector<tuple<x,y,z>>
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[9]={0,1,-1,0,1,1,-1,-1,0};
const ll dx[9]={1,0,0,-1,1,-1,1,-1,0};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

const int SIZE=2048;
using matrix=vector<bitset<SIZE>>;
matrix matmul(matrix &left,matrix &right){
    int n=left.size();
    matrix ret(n);
    rep(i,n){
        rep(j,n){
            if(left[i].test(j))ret[i]|=right[j];
        }
    }
    return ret;
}
matrix matpow(matrix &mat,ll k){
    int n=mat.size();
    matrix ret(n);
    rep(i,n){//単位行列を作る
        ret[i].reset();
        ret[i].set(i);
    }
    while(k){
        if(k&1)ret=matmul(mat,ret);
        mat=matmul(mat,mat);
        k>>=1;
    }
    return ret;
}
int main(){
    ll n,d;cin >> n >> d;
    matrix mat(n);
    rep(i,n){
        rep(j,n){
            char x;cin >> x;
            if(x=='1')mat[i].set(j);
        }
    }
    auto ans=matpow(mat,d);
    bool ok=true;
    rep(i,n)rep(j,n)if(!ans[i][j])ok=false;
    cout << (ok? "Yes":"No") << endl;
}