#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin >> n;
    if(n <= 100)
    {
        cout << n * 2;
    }
    else
    {
        cout << 200 + n - 100;
    }
    return 0;
}

AC

#include<bits/stdc++.h>
using namespace std;
int a;
int main()
{
    cin>>a;
    if(a<101)
    {
        cout<<a*2;
    }
    else
    {
        cout<<a+100;
    }
    return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin >> a;
    if(a < 101)
    {
        a = a * 2;
        cout << a;
    }
    else
    {
        a = a-100;
        a += 200;
        cout << a;
    }
    return 0;
}//A

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int x;
    cin>>x;
    if (x<=100)
        cout<<x*2;
    else
        cout<<200+x-100;
    return 0;
}

#include <iostream>//hetao3097453
using namespace std;
int main()
{
    int x;
    cin >> x;
    if(x <= 100)
    {
        cout << x * 2;
    }
    else
    {
        cout << 200 + (x - 100);
    }
    return 0;
}