#include<stdio.h>
int main()
{
	int a,b,i,temp;
	int num=0;
	while(num <= 0)
	{
		printf("Enter the number of elements you want to generate: ");
		scanf("%d",&num);
		if(num <= 0)
			printf("Invalid Input, enter a positive integer.\n");
	}

	a=0;
	b=1;
	printf("%d",a);
	for(i=2;i<=num;i++)
	{
		printf(" %d",b);
		temp = a + b;
		a = b;
		b = temp;
	}
	printf("\n");
}