#include<bits/stdc++.h>
using namespace std;
#define hi ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define pb push_back
#define xx first
#define yy second
#define mem(a,d) memset(a,d,sizeof a)
#define mod 1999999777
#define Maxn 1000009
#define PI 3.14159265

long long bigmod(long long l,long long r)
{
    if(r==0)return 1;
    long long res=bigmod(l,r/2);

    res=(res*res)%mod;
    if(r&1)res=(res*l)%mod;
    return res;
}


int main()
{
    hi;
    long long  t,i,j,l,n,m,p,q,k,r;
  cin>>t;
    while(t--){
        cin>>n;
        if(n==1)cout<<"0"<<endl;
        else{
            j=1;k=0;
            while(j*2<=n){j*=2;k++;}
            p=1;
            while(k--)p*=2;
          //  p*=2;
            p--;
            cout<<p<<endl;
        }

    }
    return 0;
}
