public class Solution {

public static int countDigits(int n){

// Write your code here.

//simply assign value into another variable and init a counter

int x = n,cnt=0;

while(x!=0){

int rem = x%10;

//check reather than rem doesn't equal to 0 and divide the given number

if(rem!=0 && n%rem==0)

cnt++;

x/=10;

}

//simply return counter

return cnt;

}

}