#include #include #include #include #include using namespace std; pair solve(long long n){ long long tmin=n-1; vector>X; X.push_back(make_pair(1,n)); vector>div; for(int i=2;i*i<=n;i++){ int cnt=0; while(!(n%i)){ n/=i; cnt++; } if(cnt) div.push_back(make_pair(i,cnt)); } if(n!=1)div.push_back(make_pair(n,1)); for(int i=0;i X[i].first+X[i].second-2){ tmin = X[i].first+X[i].second-2; ti=i; } } return X[ti]; } int main() { long long n;cin>>n; long long tmax=n-1; paird1 = solve(n); paird2 = solve(d1.first); paird3 = solve(d1.second); long long tmin = min(d1.first + d3.first + d3.second -3,d1.second + d2.first + d2.second -3); cout<