View Code of Problem 31

#include<iostream>
using namespace std;

int main(void)
{
  int k;
  long long sum;
  while(cin>>k)
  {
    sum=23+105*(k-1);
    cout<<sum<<endl;
  }
}
/*
Main.c:1:9: fatal error: iostream: No such file or directory
 #include<iostream>
         ^~~~~~~~~~
compilation terminated.
*/