View Code of Problem 31

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<vector>
#include<map>
#include<string>
#include<set>
using namespace std;
int main(){
    long long k;
    while(cin>>k){
        long long sum=23+(k-1)*3*5*7;
        cout<<sum<<endl;
    }
    return 0;
}