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

double complex mand(int n, double complex c) { double complex z = 0; int i; for(i = 0; i<n; i++) { z = z*z+c; } return z; } int main(int argc, char **argv) { int n; scanf("%d", &n); double complex c = 0.04 + 0.01*I; double complex z = mand(n, c); printf("%f = %fi\n", creal(z), cimag(z)); }