Help me in solving CND72V2 problem

help
,
1

My issue

My code

#include <bits/stdc++.h>
using namespace std;

int main() {

  int a;
  int b;
  a = 15;
  b = 35;
  if (a%5 == 0 && b%7 == 0 ) {
    cout << "The number is divisible by both 5 & 7" << endl;
  }  
  else {
    cout << "The number is not divisible by both 5 & 7" << endl;
  }

  if (a%7 == 0 && b%5 == 0 ) {
    cout << "The number is divisible by both 5 & 7" << endl;
  } 
  else {
    cout << "The number is not divisible by both 5 & 7" << endl;
  }
}

Learning course: Learn C++
Problem Link: CodeChef: Practical coding for everyone