#include<iostream> #include<cstdio> #include<cstring> using namespace std; int main(){ char s1[200],s2[200]; gets(s1); gets(s2); if(strstr(s2,s1)){ cout<<s1<<" is substring of "<<s2<<endl; return 0; }if(strstr(s1,s2)){ cout<<s2<<" is substring of "<<s1<<endl; return 0; }cout<<"No substring"<<endl; return 0; }