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#include<iostream>
using namespace std;;
int main() {int max = 0;int min = 100;int n, t;cin >> n;double x = 0;for (int i = 0; i < n; i++) {cin >> t;if (t > max)max = t;if (t < min)min = t;x += t;}printf("%d\n%d\n", max, min);printf("%.2lf", x / n);return 0;
}