void main()
{
int z,q,s,l,a[4],t,f=0,d,m;
char i[4],aq[4]={'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)&&q>(z+s))
   {a[0]=z,a[1]=q;a[2]=s,a[3]=l;}}}}}


for(d=0;d<4;d++)
{{  for(t=0;t<4;t++)

   if(f<a[t])
 
  f=a[t],i[d]=aq[t],m=t;}

printf("%c %d\n",i[d],f),a[m]=0,f=0;

}
}
