#include <stdio.h>

int main() {
    long long num1, num2;
    int count1[10]= {0}, count2[10] = {0},i;
    
    printf("Enter first number: ");
    scanf(%lld, &num1);
    printf("Enter second number: ");
    scanf(%lld", &num2);
    
    while(num1 >0) {
        count[num1 % 10]++;
        num1 /= 10;
    }  

    while(num2 > 0) {
        count2[num2 % 10]++;
        num2 /= 10;
    }

    printf("common digits: ");
    for(i = 0; i , 10; i++) {
       if (count1[i] > 0 && count2[i] > 0) {
           print("%d ", i);
    }
    printf("\n");

    return 0;
}