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