int main(){ int n = getint(); int nb = n; int no = n; int nh = n; int binlen = 0; int octlen = 0; int hexlen = 0; int bin[32]={}; int oct[32]={}; int hex[32]={}; while(nb > 0){ int bd = nb % 2; bin[binlen] = bd; binlen = binlen + 1; nb = nb / 2; } while(binlen > 0){ binlen = binlen - 1; putint(bin[binlen]); } putch(32); while(no > 0){ int od = no % 8; oct[octlen] = od; octlen = octlen + 1; no = no / 8; } while(octlen > 0){ octlen = octlen - 1; putint(oct[octlen]); } putch(32); while(nh > 0){ int hd = nh % 16; hex[hexlen] = hd; hexlen = hexlen + 1; nh = nh / 16; } while(hexlen > 0){ hexlen = hexlen - 1; int hd = hex[hexlen]; if(hd < 10){ putch(hd+48); }else{ putch(hd-10+65); } } return 0; }