#include <bits/stdc++.h>   using namespace std;   void start() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);   }   long long ans = INT_MAX;   void solve(long long a, long long b, long long k, long long steps) {     if (a == 1 && b == 1) {       ans = min(ans, steps);       return;     }     if (a - b > 0) solve(a - b, b, k, steps + 1);     if (b - a > 0) solve(a, b - a, k, steps + 1);   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     start();     long long n;     cin >> n;     for (long long i = 1; i < n; i++) {       solve(i, n - i, n, 1);     }     if (ans == INT_MAX)       cout <<  0             <<   n ;     else       cout << ans <<   n ;   }   