int maximum(int a, int b, int c)
{ 
     int max = a;
     if (b > max)
	max = b;
     if (c > max)
	max = c;
     return max;
}
































double maximum(double a, double b, double c)
{ 
     double max = a;
     if (b > max)
	max = b;
     if (c > max)
	max = c;
     return max;
}

string maximum(string a, string b, string c)
{ 
     string max = a;
     if (b > max)
	max = b;
     if (c > max)
	max = c;
     return max;
}

Fraction maximum(Fraction a, Fraction b, Fraction c)
{ 
     Fraction max = a;
     if (b > max)
	max = b;
     if (c > max)
	max = c;
     return max;
}