C language: Little Lele and hexadecimal conversion

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Xiaolele learned binary octal and hexadecimal in class , I have a strong interest in binary conversion . Because his lucky number is 6, So he wants to know the result of a number expressed in hex . Please help him solve the problem .

#include<stdio.h>
void jz(int x)
{
    
    if(x!=0)
    {
    
        jz(x/6);
        printf("%d",x%6);
    }
    
}
int main()
{
    
    int a=0;
    scanf("%d",&a);
    jz(a);
}