bu shi题解

#include<iostream>

#include<cstring>

using namespace std;

int main(){

string n,x;










































cin>>n>>x;










































if(n.find(x)!=-1){










































	cout<<x<<" is substring of "<<n;










































}else if(x.find(n)!=-1){










































	cout<<n<<" is substring of "<<x; 










































}else{










































	cout<<"No substring"; 










































}










































return 0;

}