角谷猜想

#include<iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    cout<<n;
    while(n!=1){
        if(n%2==0){
            n/=2;
        }else{
            n*=3;
            n++;
        }
        cout<<"->"<<n;
    }
    return 0;
}