View Code of Problem 3832

#include<iostream>
#include<string>
using namespace std;
int main()
{
	string s1,s2;
	while(cin>>s1>>s2){
		if(s1.find(s2)!=string::npos)
			cout<<s1.find(s2)+1<<endl;
		else
			cout<<"-1"<<endl;
	}
	return 0;
}