#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ /*find第一次出现*/ /*substr截取*/ /*insert插入*/ /*replace替换*/ /*erase删除*/ string a,b; cin>>a>>b; if(a.find(b)>0){ cout<<"yes"; }else{ cout<<"no"; } return 0; }