#include <stdio.h>
#include <stdlib.h>

int main() {
    int n, i;
    
    
    if (scanf("%d", &n) != 1 || n < 0 || n > 1000) {
        printf("Invalid input");
        return 0;
    }
    
    double arr[1001];

    
    for (i = 0; i < n; i++) {
        if (scanf("%lf", &arr[i]) != 1) {
            printf("Invalid input");
            return 0;
        }
    }
    
    
    double newValue;
    if (scanf("%.1lf", &newValue) != 1) {
        printf("Invalid input");
        return 0;
    }

    
    arr[n] = newValue;
    n++;

    
    for (i = 0; i < n; i++) {
        printf("%.2lf", arr[i]); 
        if (i != n - 1) printf(" ");
    }

    return 0;
}