# include<iostream> # include<cstring> using namespace std; int main(){ string s1,s2; cin>>s1>>s2; int n=s2.size(); for(int i=0;i<s1.size()-n+1;i++){ for(int j=i,k=0;j<=i+n,k<n;j++,k++){ if(s1[j]!=s2[k]){ break; } if(k==n-1&&s1[j]==s2[k]){ cout<<"yes"<<endl; return 0; } } } cout<<"no"<<endl; return 0; }