#include <stdio.h>

void printReal(REAL x) {
  if (sizeof(REAL) == sizeof(double))
    printf("%22.16e",x);
  else 
    printf("%15.9e",x);
}

int main() {
  int n;
  REAL f_n=0.0, f_n_1=0.0, f_n_2=1.0;

  for (n=1; n<=1000; n++, f_n_2=f_n_1, f_n_1=f_n) {
    f_n = f_n_1+f_n_2;
    printf("%d ",n); 
    printReal(f_n); 
    printf("\n");
  }
}