void convert(unsigned int in, unsigned int type, char *out) {
int i=0, n;
char temp;
while (in > 0) {
n = in % type;
if(n<10){
out[i] = n + '0';
}
else {
out[i] = n-10 + 'A';
}
i++;
in = in / type;
}
out[i] = 0;
if (i == 0) {
out[0] = '0';
out[1] = 0;
}
else {
for (n = 0; n < i/2; n++) {
temp = out[n];
out[n]=out[i - n - 1];
out[i - n - 1] = temp;
}
}
}
int main()
{
unsigned int d;
char t[33];
scanf_s("%u", &d);
convert(d, 2, t);
printf("二進制：%s\n", t);
convert(d, 8, t);
printf("八進制：%s\n", t);
convert(d, 16, t);
printf("十六進制：%s\n", t);
return 0;
}