#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n ; cin>>n;
	for(int i=1;i<=n;i++){
		int sum =0;
	
		for(int j =1;j<=i;j++){
			sum+=j;
			if(j!=i){
				cout<<j<<"+";
			
		        continue;
			}
			cout<<j<<"=";
			
			cout<<sum;
			
			
		}
		cout<<endl;
	}
	return 0;
}