View Code of Problem 3832

#include<bits/stdc++.h>
using namespace std;
string str1, str2;
int main() {
	while (cin >> str1 >> str2) {
		int pos = str1.find(str2);
		if (pos >= 0)
			cout << pos + 1 << endl;
		else
			cout << pos << endl;
	}
	return 0;
}