#include <stdio.h>


char buf[4096];

void decrypt(char *mem, int len, char initial, char step) {
  int i=0;
  char x = initial;
  for(i=0; i<len; i++)
  {
    mem[i] ^= x;
    x+=step;
  }
}

int main() {
  int i=0;
// decode next decrypt code
  FILE *in = fopen("initial", "r");
  fread(buf, 4096, 1, in);
  
  decrypt(buf+0x100, 0x80, 170, 1); // decrypt first decryptor at 0x100
  decrypt(buf+0x1c0, 0x1F2 - 0x1C0, 50, 3); // decrypt get string
  
//dump memory
  for(i = 0; i<4096; i++)
    printf("%c", buf[i]);
}