29 lines
357 B
C++
29 lines
357 B
C++
#include<iostream>
|
|
#include<cmath>
|
|
using namespace std;
|
|
bool z(int a)
|
|
{
|
|
for(int i=2;i*i<=a;i++) if(a%i==0) return 0;
|
|
return 1;
|
|
}
|
|
int main()
|
|
{
|
|
int a,b;
|
|
bool d;
|
|
while(true)
|
|
{
|
|
d=1;
|
|
cin>>a>>b;
|
|
for(int i=2;i<=((a<b)?a:b);i++)
|
|
{
|
|
if(z(i)){
|
|
if(b%i==0)
|
|
{
|
|
if(a%i!=0) d=0;
|
|
}}
|
|
}
|
|
if(d) cout<<"Yes"<<endl;
|
|
else cout<<"No"<<endl;
|
|
}
|
|
}
|