#include<iostream>
using namespace std;
int main()
{
int a = 15, b = 4, c = 6, upScale = 20;
for(int i = upScale; i > 0; --i)
{
cout << (i > a ? " " : "*")
<< (i > b ? " " : "*")
<< (i > c ? " " : "*")
<< endl;
}
return 0;
}
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