#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	cin>>n>>m;
	if(n==1) cout<<m;
	else{
		if(n<=3){
			cout<<"#include <iostream>\n";
			cout<<"using namespace std;\n\n";
			cout<<"int main() { \n";
			for(int i=1;i<=n-2;i++){
				for(int j=1;j<=i;j++) cout<<"    ";
				cout<<"cout<<"<<"\""<<"#include <iostream>"<<"\""<<"<<endl;"<<endl;
				for(int j=1;j<=i;j++) cout<<"    ";
				cout<<"cout<<"<<"\""<<"using namespace std;"<<"\""<<"<<endl;"<<endl;
				for(int j=1;j<=i;j++) cout<<"    ";
				if(i==n-2) cout<<"cout<<"<<"\""<<"int main() { cout << "<<m<<" << endl; return 0; }"<< "\""<<" << end"<<"\n";
				else cout<<"cout<<"<<"\""<<"int main() {"<<"\""<<"endl;"<<endl;
			}
			for(int i=n-2;i>=1;i--){
				for(int j=1;j<=i;j++) cout<<"    ";
				cout<<"return 0;"<<"\n"; 
				for(int j=2;j<=i;j++) cout<<"    ";
				cout<<"}"<<"\n";
			}
		}
		if(n==4){
			cout<<"#include <iostream>\n";
			cout<<"using namespace std;\n\n";
			cout<<"int main() { \n";
			for(int i=1;i<=2;i++){
				if(i==1){
					for(int j=1;j<=i;j++) cout<<"    ";
					cout<<"cout<<"<<"\""<<"#include <iostream>"<<"\""<<"<<endl;"<<endl;
					for(int j=1;j<=i;j++) cout<<"    ";
					cout<<"cout<<"<<"\""<<"using namespace std;"<<"\""<<"<<endl;"<<endl;
					for(int j=1;j<=i;j++) cout<<"    ";
					if(i==n-2) cout<<"cout<<"<<"\""<<"int main() { cout << "<<m<<" << endl; return 0; }"<< "\""<<" << end"<<"\n";
					else cout<<"cout<<"<<"\""<<"int main() {"<<"\""<<"endl;"<<endl;
				}else{
					for(int j=1;j<=i;j++) cout<<"    ";
					cout<<"cout<<"<<"\""<<"cout<<"<<"#include <iostream>"<<"\""<<"<<endl;"<<endl;
					for(int j=1;j<=i;j++) cout<<"    ";
					cout<<"cout<<"<<"\""<<"cout<<"<<"using namespace std;"<<"\""<<"<<endl;"<<endl;
					for(int j=1;j<=i;j++) cout<<"    ";
					if(i==n-2) cout<<"\""<<"cout<<"<<"int main() { cout << "<<m<<" << endl; return 0; }"<< "\""<<" << end"<<"\n";
					else cout<<"\""<<"cout<<"<<"int main() {"<<"\""<<"endl;"<<endl;
				}
			}
//			for(int i=n-2;i>=1;i--){
//				if(i==n-2){
//					for(int j=1;j<=i;j++) cout<<"    ";
//					cout<<"return 0;"<<"\n"; 
//					for(int j=2;j<=i;j++) cout<<"    ";
//					cout<<"}"<<"\n";
//				}else{
//					for(int j=1;j<=i;j++) cout<<"    ";
//					cout<<"\""<<"cout<<return 0;"<<"\n"; 
//					for(int j=2;j<=i;j++) cout<<"    ";
//					cout<<"\""<<"cout<<}"<<"\n";	
//				}
//			}
		}
	}
	return 0;
}