# include<iostream> using namespace std; int main(){ string a,b,c; int f=0; cin>>a>>b; for(int i=0;i<a.size()-b.size();i++){ f=0; for(int j=i,k=0;k<b.size();j++,k++){ if(a[j]!=b[k]){ f=1; break; } } if(f==0){cout<<"yes"<<endl;return 0;} } cout<<"no"; return 0; }