View Code of Problem 3832

#include<iostream>
#include<string.h>
using namespace std;
int main()
{
  string str1,str2;
  int k;
  while(cin>>str1&&cin>>str2)
  {
  	k=str1.find(str2);
  	if(k!=-1) cout<<k+1<<endl;
  	  else cout<<k<<endl;
  }
 }