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

int main(void) {

int reponse,ux, u1 = 1, u0 = 0,n = 2;

printf("Veuillez entrer votre n : ");
scanf("%d", &reponse);

if (reponse == 0)
  {
	   printf("U de 0 est egale a 0\n");
     return 0;
  }

else
{
  if (reponse == 1) 
   	{
			printf("U de 1 est egale a 1\n ");
			return 0;
    }

	while (n != reponse)
	{
   ux = u0 + u1 ;
   u0 = u1;
	 u1 = ux;
	 printf("n =  %d, ux = %d , u0 = %d,  u1 = %d\n",n ,ux ,u0, u1);
n++;	
	}
}	  

printf("U de %d est egal a %d\n",reponse,ux);






return 0;
}