#include<iostream.h>
#include<math.h>
long f(long num)
{
	long i=0,result;
	while(1)
	{
		i++;
	       result=i*(i+1)/2;
	       if(result>=num) break;
	}
	i--;
	return i;
}
void  main()
{
	long num,a,b,data;
	while(cin)
	{
		cin>>num;
		data=f(num);
		if(data%2==0){
		a=num-data*(data+1)/2;
		b=data+2-a;   }
		else
		{b=num-data*(data+1)/2;
		a=data+2-b;}
		cout<<"TERM "<<num<<" IS "<<b<<"/"<<a<<endl;
	}
}