how to print all numbers in an integer in c 2b 2b

1#include<iostream>
2using namespace std;
3void print_each_digit(unsigned long long int x)
4{
5    if(x >= 10)
6       print_each_digit(x / 10);
7
8    int digit = x % 10;
9
10    cout << digit << '\n';
11}
12int main(){
13	unsigned long long int i;
14	cin >> i;
15	print_each_digit(i);
16	return 0;
17}