#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001
vector<bool> f(1000000,true);

bool check(int a,int b){
	string s = to_string(a);
	s += to_string(b);
	return f[stoi(s)];
}

int main() {
    
	int n;
	cin>>n;
	vector<int> a(n),b(n);
	rep(i,n){
		cin>>a[i]>>b[i];
	}
	
	
	f[1] = false;
	for(int i=2;i<f.size();i++){
		if(!f[i])continue;
		for(int j=i*2;j<f.size();j+=i)f[j] = false;
	}
	two_sat S(n);
	
	rep(i,n){
		rep(j,n){
			
			if(check(a[i],b[j])){
				S.add_clause(i,1,j,1);
			}
			if(check(b[i],a[j])){
				S.add_clause(i,0,j,0);
			}
			if(check(a[i],a[j])){
				S.add_clause(i,1,j,0);
			}
			if(check(b[i],b[j])){
				S.add_clause(i,0,j,1);
			}		
			
		}
	}
	if(S.satisfiable())cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
	
	
    return 0;
}