#include <bits/stdc++.h>   using namespace std;        #define FASTIO           ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);   #define TEST             ll Test ; cin >> Test; while   #define TEST2            int Test = 1; while   #define READ             freopen( input.txt ,  r , stdin); freopen( output.txt ,  w , stdout);   #define INP(a, n)        for(ll i=0;i<(ll)n;i++) cin>>a[i] ;   #define INPA(a, n)       ll a[n]; for(ll i=0;i<(ll)n;i++) cin>>a[i] ;   #define INPV(a, n)       ll TrT; for(int i=0;i<(ll)n;i++){cin>>TrT; a.push_back(TrT);}   #define OUT(a, n)        for(ll i=0;i<(ll)n;i++)cout<<a[i]<<   ;   #define forp(i,a,b)      for(ll i=a;i<(ll)b;i++)   #define fore(i,a,b)      for(ll i=a;i<=(ll)b;i++)   #define fora(x)          for(auto &it: x)   #define INF              LLONG_MAX   #define sz               size()   #define len              length()   #define beg              begin()   #define en               end()   #define all(x)           x.beg,x.en   #define ff               first   #define ss               second   #define pb               push_back   #define pp               pop_back   #define lb               lower_bound   #define ub               upper_bound   #define N                  n    #define YES(n)           cout << ((n) ?  YES  :  NO ) <<   n  ;   #define Yes(n)           cout << ((n) ?  Yes  :  No ) <<   n  ;   #define fix(f,n)         fixed << setprecision(n) << f    #define M                1000000007   #define MM               998244353      #define TRACE      #ifdef TRACE       #define d(...) __f(#__VA_ARGS__, __VA_ARGS__)       template <typename Arg1>           void __f(const char* name, Arg1&& arg1) { cout << name <<   =   << arg1 << endl; }       template <typename Arg1, typename... Args>           void __f( const char* names, Arg1&& arg1, Args&&... args) {const char* comma = strchr(names + 1,  , ); cout.write(names, comma - names) <<   =   << arg1 <<    ; __f(comma + 1, args...); }   #else       #define d(...)   #endif       typedef long long int ll;   typedef long double ld;   typedef unsigned long long ull;   typedef vector<int> vi;   typedef vector<ll> vll;   typedef vector<vector<int>> vvi;   typedef vector<vector<ll>> vvll;   typedef vector<vector<ld>> vvld;   typedef pair<ll, ll> pll;   typedef vector<int> vi ;   typedef vector<pair<int, int>> vpi;   typedef vector<pair<ll,ll> > vpll;            void solve() {       ll p, a, b, c, temp, ans = INF;       cin >> p;       ll v[3];       forp(i, 0, 3) cin >> v[i];       forp(i, 0, 3) {           temp = p/v[i];           if(p % v[i] != 0) temp++;           ll x = temp * v[i];           // d(x);           ans = min(x - p, ans);       }       cout << ans << N;   }      int main() { FASTIO        #ifndef ONLINE_JUDGE           // READ       #endif        TEST(Test--)       {            solve();       }       return 0;   }   