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

double Eval(double x, double *coeff, int n) {
  switch (n) {
  case 0: return coeff[0];
  case 1: return _POLY1(x,coeff);
  case 2: return _POLY2(x,coeff);
  case 3: return _POLY3(x,coeff);
  case 4: return _POLY4(x,coeff);
  case 5: return _POLY5(x,coeff);
  case 6: return _POLY6(x,coeff);
  case 7: return _POLY7(x,coeff);
  case 8: return _POLY8(x,coeff);
  case 9: return _POLY9(x,coeff);
  default: return 0.0;
  }
}

int main() {
  int i,n;
  double* a;
  double x, x2, dx;

  scanf("%d",&n);
  a=malloc((n+1)*sizeof(double));
  for (i=n; i>=0; i--)
    scanf("%lf",&a[i]);
  scanf("%lf %lf %lf",&x,&x2,&dx);
  while (x<=x2) {
    printf("%8.6lf %12.8e\n",x,Eval(x,a,n));
    x+=dx;
  } 
  free(a);
}