#include <iostream> using namespace std; int main() { int a,b,d; char c; cin>>a>>b>>c>>d; if(d==0){ for(int i=0;i<b;i=i+1){ cout<<c; } for(int j=2;j<a;j=j+1){ cout<<endl<<c; for(int i=2;i<b;i=i+1){ cout<<" "; } cout<<c; } cout<<endl; for(int i=0;i<b;i=i+1){ cout<<c; } }else{ for(int j=0;j<a;j=j+1){ for(int i=0;i<b;i=i+1){ cout<<c; } cout<<endl; } } return 0; }