可以打表啊

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<cstdlib>
using namespace std;
int main()
{
    int n;//n==8 37337999 59393339 73939133
    scanf("%d",&n);
    if(n==1)printf("2\n3\n5\n7\n");
    else if(n==2)printf("23\n29\n31\n37\n53\n59\n71\n73\n79\n");
    else if(n==3)printf("233\n239\n293\n311\n313\n317\n373\n379\n593\n599\n719\n733\n739\n797\n");
    else if(n==4)printf("2333\n2339\n2393\n2399\n2939\n3119\n3137\n3733\n3739\n3793\n3797\n5939\n7193\n7331\n7333\n7393\n");
    else if(n==5)printf("23333\n23339\n23399\n23993\n29399\n31193\n31379\n37337\n37339\n37397\n59393\n59399\n71933\n73331\n73939\n");
    else if(n==6)printf("233993\n239933\n293999\n373379\n373393\n593933\n593993\n719333\n739391\n739393\n739397\n739399\n");
    else if(n==7)printf("2339933\n2399333\n2939999\n3733799\n5939333\n7393913\n7393931\n7393933\n");
    else if(n==8)printf("23399339\n29399999\n37337999\n59393339\n73939133\n");
    return 0;
}