/*
 * 12.cpp
 * function:????????????????????????????
 * Created on: 2012-10-23
 * Author: sear
 */
int main(){
	int z,q,s,l;//z q s l???????????
	for(z=10;z<=50;z=z+10){//z?10???????50
		for(q=10;q<=50;q=q+10){//q?10???????50
			if(q==z) continue;//????????????
			for(s=10;s<=50;s=s+10){//s?10???????50
				if((s==z)||(s==q)) continue;//??????????????
				for(l=10;l<=50;l=l+10){//l?10???????50
					if((l==z)||(l==q)||(l==s)) continue;//???????????????
					if((z+q==s+l)&&(z+l>s+q)&&(z+s<q)){//??????
						//?z+s<q????????
                    if(q<l) {//??????????????
                    	cout<<'l'<<" "<<l<<"\n"<<'q'<<" "<<q<<endl;//????? ??????
                    	if(z>s) cout<<'z'<<" "<<z<<"\n"<<'s'<<" "<<s;//??????????????? ??????
                    	else cout<<'s'<<" "<<s<<"\n"<<'z'<<" "<<z;//??????????????? ??????
                    }
                    else {
                    	cout<<'q'<<" "<<q<<endl;//??????????????
                        if((z>l)&&(z>s)) {//???????
                    	  cout<<'z'<<" "<<z<<endl;//?????????
                          if(l>s) cout<<'l'<<" "<<l<<"\n"<<'s'<<" "<<s;//??????????????? ??????
                          else cout<<'s'<<" "<<s<<"\n"<<'l'<<" "<<l;//??????????????? ??????
                         }
                    else if((l>z)&&(l>s)) {//???????
                    	   cout<<'l'<<" "<<l<<endl;//?????????
                           if(z>s) cout<<'z'<<" "<<z<<"\n"<<'s'<<" "<<s;//??????????????? ??????
                           else cout<<'s'<<" "<<s<<"\n"<<'z'<<" "<<z;//??????????????? ??????
                         }
                    else if((s>z)&&(s>l)) {//???????
                    	   cout<<'s'<<" "<<s<<endl;//?????????
                           if(z>l) cout<<'z'<<" "<<z<<"\n"<<'l'<<" "<<l;//??????????????? ??????
                           else cout<<'l'<<" "<<l<<"\n"<<'z'<<" "<<z;//??????????????? ??????
                         }
                    }
              }}}}}
		return 0;//
}
