#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	int n,t;
	while(cin>>n)
	{
		cout<<"TERM "<<n<<" IS ";
		t=((int)(sqrtf(n*8+1))-1)/2;
		if(t*(t+1)==n*2)
			t--;
		n-=t*(t+1)/2;
		if(t%2)
			cout<<n<<"/"<<t+2-n<<endl;
		else
			cout<<t+2-n<<"/"<<n<<endl;
	}
	return 0;
}