373A

#include<bits/stdc++.h>
#define lli long long int
#define vi vector<int>
#define vlli vector<lli>
#define pii pair<int,int>
#define vpi vector<pii>
#define mp unordered_map<char,int>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define ff first
#define ss second
#define nline "\n"
 
#define MOD1 1000000007
#define MOD2 1000000009
using namespace std;
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
 
  int k,flag=0;cin>>k;
  int cnt[10] ={0};
  char mpa[4][5];
  for (int i=0;i<4;i++){
    cin>>mpa[i];
    for (int j=0; j<4;j++){
      if (mpa[i][j]=='.') continue;
      else cnt[mpa[i][j]-'0']++;
    }
  }
  for (int i=1;i<=9;i++){
    if (cnt[i] >2*k){
      flag=1;
    }
  }
  if (flag==1){
    cout<<"NO"<<nline;
  }
  else{
    cout<<"YES"<<nline;
  }
  return 0;
}