/*
 * 113.cpp
 *
 *  Created on: 2010-11-20
 *      Author: jsgl
 */
int main(){
int z,q,s,l;
for(z=10;z<=50;z=z+10){
	for(q=10;q<=50;q=q+10){
		for(s=10;s<=50;s=s+10){
			for(l=10;l<=50;l=l+10){
				if(((z+q)==(s+l))&&((z+l)>(s+q))&&((z+s)<q)){
				cout<<'l'<<" "<<l<<endl;
				cout<<'q'<<" "<<q<<endl;
				cout<<'z'<<" "<<z<<endl;
				cout<<'s'<<" "<<s<<endl;
				}
			}
		}
	}
}
return 0;
}
