octal number system

#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>

int bin(int n)

{

if (n < 8)

 return n;

else

 return bin(n / 8) * 10 + n % 8;

}

int main()

{

int i, t;

scanf("%d", &t);

for (i = 1; i <= t; i++)

{

 int a;

 scanf("%d", &a);

 printf("%d\n", bin(a));

}

}