#include<stdio.h>
int main() {
    int n;
    if (scanf("%d", &n) != 1) {
        return 0;
    }
    if (n < 0) {
        printf("INvalid input");
        return 0;
    }
    int s1[10], s2[10];
    int top1 = -1, top2 = -1;
    for (int i = 0; i < n; i++) {
        int x;
        scanf("%d", &x);
        s1[++top1] = x;
    }
    while (top1 != -1) {
        int temp = s1[top1--];
        while (top2 != -1 && s2[top] > temp) {
            s1[++top2] = temp;
        }
        for (int i = 0; i <= top2; i++) {
            printf("%d", s2[i]);
            if (i != top2) printf(" ");
        }
        return 0;
    }