```cpp
include[HTML_REMOVED]
include[HTML_REMOVED]
using namespace std;
string a,b;
int main(){
double k;
cin>>k;
cin>>a;
cin>>b;
int len=a.size();
int t=0;//,t[101]={0};
for(int i=0;i[HTML_REMOVED]=k){
cout<<”yes”;
return 0;
}
cout<<”no”;
return 0;
}