#include
using namespace std;
int main(){
int n;
cin>>n;
int key;
cin>>key;
int arr[n];
for(int i=0 ; i<n ; i++){
cin>>arr[i];
}
int i=0;
int j=n-1;
int k=1;
while(k<(n-1)){
int sum=0;
sum = arr[i] + arr[k] + arr[j];
while(i<k && j>k){
cout<<"sum= "<<sum<<"i= "<<i<<" j= "<<j<<"k= "<<k<<endl;
if(sum == key){
cout<<(i+1)<<","<<(k+1)<<" and "<<(j+1)<<"sum= "<<sum<<endl;
j++;
i--;
}
else if(sum<key){
// cout<<"test"<<endl;
j--;
}
else{
i++;
}
}
k++;
}
return 0;
}
