#include <iostream>

using namespace std;

int main()
{
    string input, buscar;
    bool si=false;
    int cant;

    cin>>input>>buscar;

    if(input.size()>buscar.size())
        cant=input.size()-buscar.size()+1;
    else
        cant=buscar.size()-input.size()+1;

    for(int cont=0; cont<cant; cont++)
    {
        string comparar;
        for(int cont2=cont, cont3=0; cont3<buscar.size(); cont2++, cont3++)
        {
            comparar += input[cont2];
        }
        if(si==false && comparar == buscar)
            si=true;
    }

    if(si==true) cout<<"SI";
    else cout<<"NO";

    return 0;
}