#include <iostream>
using namespace std;
int main()
{
int x , y;
char a = '.', b = '+' , c = '-';
cin >> x >> a >> y;
if(0 <= y <= 2 and 1 <= x <= 15)
{
cout << x << c;
}
else if(3 <= y <= 6 and 1 <= x <= 15)
{
cout << x;
}
else if(7 <= y <= 9 and 1 <= x <= 15)
{
cout << x << b;
}
}
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