#include using namespace std; int main(){ int a,b,c; cin>>a>>b; c=a+b; cout<<c<<endl; cout<<c<<c<<endl; cout<<c<<c<<c<<endl; cout<<c<<c<<c<<c<<endl; return 0; }

#include using namespace std; int main(){ int a,b,n; cin>>a>>b; n=a+b; cout<<n<<endl; cout<<n<<n<<endl; cout<<n<<n<<n<<endl; cout<<n<<n<<n<<n<<endl; return 0; }

#include<iostream>
using namespace std;
int main(){ //C++2级 输出三角形 
	int a,b,n;
	cin>>a>>b;
	n=a+b;
	cout<<n<<endl;
	cout<<n<<n<<endl;
	cout<<n<<n<<n<<endl;
	cout<<n<<n<<n<<n<<endl;
	
	return 0;
}