#include <stdio.h>#include <string.h>#include <iostream>using namespace std;#define N 101int main(){ char s[200]; int door,de[N],odd,eve,n,m,p,cc,len,k; while(scanf("%s",s) != EOF) { if(s[3] == 'O') break; scanf("%d %d",&m,&n); getchar(); memset(de,0,sizeof(de)); door = odd = eve = 0; for(int i = 0; i < n; ++i) { p = 0; gets(s); while(s[p] && s[p] == ' ') ++ p; while(sscanf(s + p,"%d%n",&k,&cc) == 1) { ++door; de[i] ++; de[k] ++; p += cc; while(s[p] && s[p] == ' ') ++ p; } } scanf("%*s"); for(int i = 0; i < n; ++i) if(de[i]&1) ++odd; else ++eve; if(odd == 0 && m == 0 || odd == 2 && (de[m]&1) && (de[0] & 1) && m != 0) printf("YES %dn",door); else printf("NOn"); } return 0;}
