#include<iostream>#include<string.h>#include<stdlib.h>#include<algorithm>#include<stdio.h>using namespace std;enum { SIZ = 108,};char m[SIZ], n[SIZ];int a, b;int get( char * s){ int l = strlen(s); if(l > 3){ l = atoi(&s[l-3]); } else { l = atoi(s); } return l;}void fun(){ if(strcmp(m,"1") == 0){ printf("%sn", n); } else if(strcmp(n,"1")==0){ printf("%sn", m); } else { a = get(m); b = get(n); int t = a * b % 8; if(t > 4) t -= 4; if(t == 0){ printf("Yesn"); return; } printf("%dn", t); }}int main(){ while(scanf("%s%s",&m,&n) > 0 ){ fun(); }return 0;}
