View Code of Problem 31

#include<iostream>
#include<stdio.h>
#include<bits/stdc++.h>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<cstdlib>
#include<iomanip>
using namespace std;
int main(){
	long long num;
	while(cin>>num)
    {
        long long sum=23+(num-1)*105;
        cout<<sum<<endl;
    }
	return 0;
}