#include<iostream> using namespace std; int main() { while (cin) { int sum(0); int n, x, m; cin >> n; for (int i = 0; i < n; i++) { cin >> x >> m; for (int j = 0; j < m; j++) { sum += x; x++; } } if (0 == sum % 2) cout << "second" << endl; else cout << "first" << endl; } return 0; }
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