#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin >> n;
int a[n];
for(int i=0;i<n;i++)
{
cin >> a[i];
}
sort(a,a+n);
int s;
cout <<“Enter Pair sum value”;
cin >> s;
int currsum=0;
for(int i=0;i<n-2;i++)
{
int p=i+1;
int q=n-1;
while(p<q)
{
currsum=a[p]+a[q]+a[i];
if(currsum==s)
{
cout << a[i] <<"," <<" " << a[p]<<" " <<“and” <<" "<< a[q] << endl;
p++;
q–;
}
else if(currsum < s)
{
p++;
}
else if(currsum > s)
{
q–;
}
}
}
}