#include <stdio.h>
#include <stdbool.h>
#include <math.h>

#define MAX_N 100005

int N, R;
int x[MAX_N];
int y[MAX_N];

bool within_range(long long ax, long long ay, long long bx, long long by)
{
    long long dx = ax - bx, dy = ay - by;
    return dx * dx + dy * dy < 4LL * R * R;
}

int main()
{
    FILE *input_file = fopen("mars.in", "r");
    FILE *output_file = fopen("mars.out", "w");

    fscanf(input_file, "%d %d", &N, &R);
    for (int i = 1; i <= N; ++i) fscanf(input_file, "%d %d", &x[i], &y[i]);

    bool reachable[MAX_N] = {false};
    reachable[1] = true;

    for (int i = 2; i <= N; ++i) {
        bool is_new = true;
        for (int j = 1; j < i; ++j) {
            if (reachable[j] && within_range(x[i], y[i], x[j], y[j])) {
                is_new = false;
                break;
            }
        }
        if (is_new) reachable[i] = true;
    }

    int reachable_count = 0;
    for (int i = 1; i <= N; ++i) {
        if (reachable[i]) reachable_count++;
    }

    fprintf(output_file, "%d\n", reachable_count);
    for (int i = 1; i <= N; ++i) {
        if (reachable[i]) fprintf(output_file, "%d ", i);
    }

    fclose(input_file);
    fclose(output_file);

    return 0;
}