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# include <bits/stdc++.h>
using namespace std;
int n;
int main (void){
  cin >> n;
  
  for (int i = 1; i <= n * 2 + 1; ++i){
    for (int j = 1; j <= abs(n + 1 - i) + 1; ++j){
      cout << "*" << " ";
    }
    
    cout << endl;
  }
  
  return 0;
}
# include <bits/stdc++.h>
using namespace std;
int main (void){
    int n,k;
    cin >> n >> k;
    
    if (n < k * 3){
        puts("-1");
    }else{
        string ans;
        for (int i = 1; i <= k; ++i)
            ans += "you";
        
        k = n - 3 * k;
        while (k --) ans += 'y';
        
        cout << ans << endl;...
    
    
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