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

int main()
{
    FILE *input = fopen("input.txt", "r");
    FILE *output = fopen("output.txt", "w");
    if (!input) {
        printf("File input not found\n");
        fclose(input);
        fclose(output);
        exit(1);
    }
    if (!output) {
        printf("Can't create output file\n");
        fclose(input);
        fclose(output);
        exit(2);
    }
    int n, i;
    float dt;
    fscanf(input, "%d%f", &n, &dt);
    if ((n < 0 || n > 999) || (dt <= 0 || dt >= 0.10000)) {
        fprintf(output, "Invalid input\n");
        fclose(input);
        fclose(output);
        exit(3);
    }
    float *arr = (float *) malloc(sizeof(float) * n);
    for (i = 0; i < n; ++i) {
        arr[i] = (float) sin(dt * i);
    }
    for (i = n - 1; i >= 0; --i) {
        fprintf(output, "%.4f ", arr[i]);
    }
    fclose(input);
    fclose(output);
    free(arr);
}