//找找规律嘛！把每个斜行单独放一堆，规律就出来了~
#include<stdio.h>
int main()
{
	int n,i,k=0,sum;
	while(~scanf("%d",&n))
	{
		sum=0;
		for(i=1;;i++)
		{
			sum+=i;
			if(sum>=n)
				break;
		}
		sum-=i;
		if(i%2==0)
			printf("TERM %d IS %d/%d\n",n,n-sum,sum+i+1-n);
		else
			printf("TERM %d IS %d/%d\n",n,i+sum-n+1,n-sum);
	}
return 0;	
}