include <iostream>
#include <math.h>
#include <iomanip>


using namespace std;

int func(int n, int i,int* A, double maxA, int a, int b, float sum,int m, int* B, int j)
{





    for (int i = 0; i < n; i++) {
        cin >> A[i];
    }

    maxA = -1000;
    for (int i = 0; i < n; i++)
    {
        if (fabs(A[i]) > maxA)
        {
            maxA = fabs(A[i]);
        }

    }
    cout << fixed << setprecision(6) << maxA;
    a = -1;
    b = -1;
    for (int i = 0; i < n; i++) {
        if ((A[i] > 0) && (a == -1)) {
            a = i;
            i++;
        }
        else if ((A[i] > 0) && (b == -1)) {
            b = i;}}
    for (int i = 0; i < n; i++)
        if ((i > a) && (i < b))
            sum += A[i];
    cout << fixed << setprecision(6) << " " << sum;
    for (int j = 0; j < m; j++) {
        B[j] = 0;
    }
    cout << endl;
    for (int i = 0; i < n; i++)
    {
        if ((i >= a) && (i <= b)){
            B[j] = A[i];
            j++;}}
    for (int i = 0; i < n; i++){
        if ((i < a) || (i > b) && (A[i] != 0)){
            B[j] = A[i];
            j++;}}
    for (int i = 0; i < n; i++) {
        A[i] = B[i];}
    for (j = 0; j < m; j++) {
        cout << B[j] << ".00" << " ";}
    delete[] A;
    delete[] B;
    return 1;}
int main() {
    int a=-1, b=-1;
    int n = 50;
    int* A = new int[n];
    int i = 0;
    cin >> n;
    double maxA=-1000;
    float sum=0;
    int j = 0;
    int m = n;
    int* B = new int[m];
    func(n, i, A, maxA, a, b, sum, m, B, j);
    return 1;
    system("pause");
}