include
using namespace std;
int main()
{
int t,j[100],max[100],u,m,v;
char ch;
cout<<"Enter the number of tests "<<endl;
cin>>t;
cout<<"Enter the minimum number followed by \",\" then the maximum number "<<endl;
for(int n=0;n<t;n++)
cin>>j[n]>>ch>>max[n];
for(int n=0;n<t;n++)
{
for(int i=j[n];i<=max[n];i++)
{
v=1;
for(u=2;u<i+1;u++)
{
m=i-1;
if(i%u==0)
break;
else v++;
}
if(v==m)
cout<<'\n'<<i;
}
cout<<endl<<endl;
}
return 0;
}