#include<bits/stdc++.h> using namespace std; int main(){ int n,a,b,c; cin>>n>>a>>b>>c; for(int i=1;i<=a;i++){ cout<<"*"; } cout<<endl; for(int j=1;j<=b;j++){ cout<<"*"; } cout<<endl; for(int x=1;x<=c;x++){ cout<<"*"; } cout<<endl; return 0; }