#include <stdio.h>

int main(void) {

  int n;
  printf("Enter an integer size:\n");
  scanf("%d",&n);

  { int i;
    double a[n];

    for (i = 1; i < n; i++) 
      a[i] = (double)i;

    for (i = 1; i < n; i++) 
      printf("%f ", a[i]);
    printf("\n");

  }
  
  return 0;
}