#include using namespace std; int main(){ int n; char letter; bool bin; cin>>n>>letter>>bin; for(int i=0;i<n;i++){ for(int j=0;j<=i;j++){ if(i0 or in-1 or j0 or ji) cout<<letter; else if(bin==0) cout<<" "; else cout<<letter; } } cout<<endl;} return 0; }