#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
#define int long long int
#define all(x) x.begin(),x.end()
#define pb push_back
#define rall(x) x.rbegin(),x.rend()
const int N=1e6+1,K=1e6+1,mod=998244353,MOD=1e9+7,INF=9223372036854775807;
/*bool lex(const string &a,const string &b){
if(a.size()!=b.size())
return a.size()<b.size();
return a<b;
}*/
/*bool cmp(const pair<int,int>&a,const pair<int,int>&b){
if(a.first!=b.first){
return a.first<b.first;
}
return a.second<b.second;
}*/
signed main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
int testcasescount=1;
//cin>>testcasescount;
while(testcasescount--){
int n,k;
cin>>n>>k;
int r[n][k],u[n][k],p[n][k]={0},ans=0,cur=-1;
bool ch[n]={false};
for(int i=0;i<n;i++){
for(int j=0;j<k;j++){
cin>>r[i][j];
}
}
for(int i=0;i<n;i++){
for(int j=0;j<k;j++){
cin>>u[i][j];
}
}
if(n==1){
bool c=true;
for(int i=0;i<k;i++){
if(r[0][i]>0){
c=false;
break;
}
}
if(!c){
cout<<'0';
}
else{
cout<<'1';
}
}
}
}
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