int main()
{
	int weight[4]={0},c2,c3,c4,sum,i,j,t;//weight[i]??????????c2,c3,c4???????????????
	char name[4]={'z','q','s','l'},c;//name[i]?????????
	for(weight[0]=10;weight[0]<=50;weight[0]+=10)
		for(weight[1]=10;weight[1]<=50;weight[1]+=10)
		{
			if(weight[1]==weight[0])//?q???=z????????????,?????????z,q,s,l?????????
				continue;
			for(weight[2]=10;weight[2]<=50;weight[2]+=10)
			{
				if(weight[2]==weight[0]||weight[2]==weight[1])
					continue;
				for(weight[3]=10;weight[3]<=50;weight[3]+=10)
				{
					if(weight[3]==weight[0]||weight[3]==weight[1]||weight[3]==weight[2])
						continue;
					c2=(weight[0]+weight[1]==weight[2]+weight[3]);//?z?q??????s?l??????c2???1?
					c3=(weight[0]+weight[3]>weight[1]+weight[2]);//?z?l??????q?s??????c3???1?
					c4=(weight[0]+weight[2]<weight[1]);//?z?s??????q?????c4???1?
					sum=c2+c3+c4;//??????????sum=3?
					if(sum==3)
					{
						for(i=0;i<4;i++)//????????????????????
						{
							for(j=3;j>i;j--)
							{
								if(weight[j]>weight[j-1])
								{
									t=weight[j-1];
									weight[j-1]=weight[j];
									weight[j]=t;
									c=name[j-1];
									name[j-1]=name[j];
									name[j]=c;
								}
							}
							cout<<name[i]<<" "<<weight[i]<<endl;
						}
					}
				}
			}
		}
	return 0;
}