#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int x,y,n,m; bool f=false; cin>>m>>n; for(x=1;x<=m;x++){ for(y=1;y<=m;y++){ if(x+y=m&&x*y=m){ f=ture; } } } if(f=ture) cout<<"Yes"; else cout<<"No"; return 0; }