//No.354 メルセンヌ素数
#pragma GCC optimize("O3")
#pragma GCC target("avx")
#include <bits/stdc++.h>
#define rep(i ,n) for(int i=0;i<(int)(n);++i)

using namespace std;

signed main(){
    int q; cin >> q;
    /*long long n = (long long)pow(2 , q )- 1;
    int sum = 0;
    while( n ){
        if( n % 2 == 1) ++sum;
        n /= 2;
    }
    */
    cout << q << endl;
}