#include<iostream> #include<cstring> using namespace std; int main(){ string s1,s2; int k,j; cin>>s1>>s2; int len2 = s2.length(); for(int i=0;i<s1.size();i++){ k = i; len2 = s2.length(); j = 0; while(len2>0){ if(s1[k]==s2[j]){ j++; k++; len2--; } else{ break; } } if(len2==0){ cout<<"yes"; return 0; } } cout<<"no"; return 0; }