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- #include<bits/stdc++.h>
- using namespace std;
- int prime(int n)
- {
- if(n<2) return 0;
- for(int i=2; i<=sqrt(n); i++)
- {
- if(n%i==0)
- return 0;
- }
- return 1;
- }
- int main()
- {
- int n;
- cout <<"Enter an even number( greater than 5): ";
- cin >> n;
- for(int i=5; i<=n; i++){
- int j =i;
- if(j%2==0)
- for(int k=2; k<=j; k++){
- if(prime(k)&&prime(j-k)){
- cout << j << " = " << k << " " << j-k<< endl;
- break;
- }
- }
- }
- return 0;
- }
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