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

int main()
{
	int n,num,temp;
	int x,y;
	while (scanf("%d", &num) != EOF)
	{
		for (n = 1 ; n * (n+1) / 2 < num ; ++n);
		x = n - (num - n*(n-1)/2-1);
		y = n+1-x;
		if (!(n%2))
		{
			temp = x ; x = y ; y = temp;
		}
		cout<<"TERM "<<num<<" IS "<<x<<"/"<<y<<endl;
	}
	return 0;
}