#include<stdio.h>
int main(void)
{
	int n,i,up,down,tmp;
	while(scanf("%ld",&n)!=EOF)
	{
		for(i=1;(1+i)*i/2<n;i++);
		down=(1+i)*i/2-n+1;
		i--;
		up=n-(1+i)*i/2;		
		if(i%2==0)
		{
			tmp=up;
			up=down;
			down=tmp;
		}
		printf("TERM %ld IS %d/%d\n",n,up,down);
	}
	return 0;
}