#include <iostream>
using namespace std;
#include <math.h>
int main()
{
	int n,k,t;
	while(scanf("%d",&n)!=EOF)
	{
		for(k=int(sqrt(2.0*n)-1);;k++)
		{
			if((1+k)*k/2==n)
			{
				if(k%2)
		        	 printf("TERM %d IS 1/%d\n",k,k);
				else
			    	printf("TERM %d IS %d/1\n",n,k);
				break;
			}
			if((1+k)*k/2<n&&(1+k)*(2+k)/2>n)
			{

				t=n-(k+1)*k/2;
				if(k%2)		
					printf("TERM %d IS %d/%d\n",n,t,k+2-t);	
				else
					printf("TERM %d IS %d/%d\n",n,k+2-t,t);
				break;
			}
		}
	}
	return 0;
}