#include <stdio.h>

int main () {
  int i;
  float exp, termo, x, eps;

  printf("Digite x e eps: ");
  scanf("%f%f", &x, &eps);

  exp = termo = i = 1; 
  while (termo >= eps || termo <= -eps) {
    termo *= x/i;
    i++;
    exp += termo;
  }

  printf("exp(%f) = %f, com precisao %f.\n", x, exp, eps);
  return 0;
}