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18 lines
338 B
C++
18 lines
338 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int n, a, l, r;
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string s, s1, s2;
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int main() {
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getline(cin, s, ',');
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getline(cin, s1, ',');
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getline(cin, s2);
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n = s.find(s1);
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a = s.rfind(s2);
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l = s1.size();
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r = s2.size();
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cout << (a <= n || a == -1 || n == -1 || a < n + l - 1 ? -1 : a - n - l) << endl;
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}
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