7.17

#include<stdio.h>
 
int main()
 
{
 
    int i ,na,nb,n,ahan[100] ,ahua[100] ,bhan[101] ,bhua[100] , counta= 0 , countb = 0;
 
    scanf("%d%d",&na,&nb);
 
    scanf("%d",&n) ;
 
    for( i = 0 ; i < n ; i ++ )
 
        scanf("%d%d%d%d",&ahan[i],&ahua[i],&bhan[i],&bhua[i]);
 
    for(i=0;i<n;i++)
 
    {
 
        if((ahua[i] == (ahan[i] + bhan[i]) )&& (bhua[i] == (bhan[i] + bhan[i])))
 
            continue ;
 
        if( ahua[i] == (ahan[i] + bhan[i]) )
 
        {
 
            counta ++ ; na -- ;
 
            if(na < 0 )
 
            {printf("A\n%d\n",countb); break ;}
 
        }
 
        else if (bhua[i] == (ahan[i] + bhan[i]))
 
        {
 
            countb ++ ; nb -- ;
 
            if(nb < 0 )
 
            {printf("B\n%d\n",counta); break ;}
 
        }
 
    }
 
    return 0;
 
}