#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int n;
cin >> n;
double *x = new double[n];
for (int i = 0; i < n; i++) {
cin >> x[i];
}
bool checker = 0;
for (int i = 0; i < n; i++) {
if (x[i] <= 2.5 && checker == false) {
cout << i + 1 << ' ' << fixed << setprecision(2) << x[i];
checker = true;
}
}
if (checker == false)
cout << "Not Found";
delete []x;
return 0;
}
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