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

int n;
int *place, *answer;

int main() {
    FILE *fin = fopen("race.in", "r");
    FILE *fout = fopen("race.out", "w");

    fscanf(fin, "%d", &n);
    place = (int*) malloc(sizeof(int) * n);
    answer = (int*) malloc(sizeof(int) * n);

    int i;
    for (i = 0; i < n; i++) {
        fscanf(fin, "%d", place + i);
        place[i]--;
    }

    int cnt = 0;
    int k;
    int m = place[n - 1];

    answer[cnt] = n - 1;
    cnt++;

    for (k = n - 2; k >= 0; k--) {
        if (m == k + 1) {
            answer[cnt++] = k;
        }

        if (place[k] < m)
            m = place[k];
    }

    fprintf(fout, "%d\n", cnt);

    for (i = cnt - 1; i >= 0; i--) {
        fprintf(fout, "%d ", answer[i] + 1);
    }

    fprintf(fout, "\n");

    free(place);
    free(answer);
    fclose(fin);
    fclose(fout);
    return 0;
}