
void main()
{
	char name[4]={'z','q','s','l'};
	int w[4],i,j,p=1,r=0;
	
	for(w[0]=10;w[0]<=50;w[0]+=10){
		for(w[1]=10;w[1]<=50;w[1]+=10){
			for(w[2]=10;w[2]<=50;w[2]+=10){
				for(w[3]=10;w[3]<=50;w[3]+=10){
				if(!(w[0]==w[1]||w[0]==w[2]||w[0]==w[3]||w[1]==w[2]||w[1]==w[3]||w[2]==w[3])&&(w[0]+w[1]==w[2]+w[3])&&(w[0]+w[3]>w[2]+w[1])&&(w[0]+w[2]<w[1])) goto end;
				}
			}
		}
	}
end:;
	while(r<4){
		for(i=0;i<4;i++){
			for(j=0;j<4;j++){
				if(w[i]==w[j])
					continue;
				if(w[i]<w[j]){
					p=0;
					break;
				}
			}
			if(p==1){
				printf("%c %d\n",name[i],w[i]);
				w[i]=0;
				r++;
				break;
			}
			else p=1;
		}
	}
	
}