#include <iostream>
using namespace std;

int main() {
	int x=0;
	
	if(x=1)                         
		printf("2");				
	else                            
		printf("2_");               
	cout<<endl<<"x="<<x<<endl<<endl;
		                            
	if(x=0)                         
		printf("3");                
	else                            
		printf("3_");				
	cout<<endl<<"x="<<x<<endl<<endl;

	
	
	x=2;                            
	if(x=3 || x==2)					
		printf("8");				
	else                            
		printf("8_");               
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=3 || x==10)				
		printf("8");				
	else                            
		printf("8_");               
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=3 && x==2)					
		printf("8");				
	else                            
		printf("8_");               
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=3 && x==10)				
		printf("8");                
	else                            
		printf("8_");				
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	                                
	                                
	x=2;                            
	if(x=0 || x==2)					
		printf("9");				
	else                            
		printf("9_");               
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=0 || x==10)				
		printf("9");                
	else                            
		printf("9_");				
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=0 && x==2)					
		printf("9");                
	else                            
		printf("9_");				
	cout<<endl<<"x="<<x<<endl<<endl;
	                                
	x=2;                            
	if(x=0 && x==10)				
		printf("9");                
	else                            
		printf("9_");				
	cout<<endl<<"x="<<x<<endl<<endl;



	return 0;
}