#include <stdio.h>
#include <stdlib.h>

//global variables: every function can use them
int r0, r1 ,r2;


void octalValue(int n)
{
    //local variables: only the octalValue function use them
    int q0, q1, q2;
    
    q0 = n/8;
    r0 = n%8;
    
    q1 = q0/8;
    r1 = q0%8;
    
    q2 = q1/8;
    r2 = q1%8;
}

int main()
{
    int n;
    printf("enter a number: ");
    scanf("%d", &n);
    
    octalValue(n);

    //print in binary 
    printf("%d in octal is: %d%d%d\n", n, r2, r1, r0);
    
    printf("The program gives %o for %d\n", n, n);
    system("pause");
}