#include<stdio.h>
int n,i,j,s,t,b=1;
void main(){
	scanf("%d",&n);
	for(i=2;b!=0;i++){
		for(j=1;b!=0,j<i;j++){
			for(t=1;t<i;t++){
				if(t+j==i) s++;
				if(s==n)
				{printf("TERM %d IS %d/%d\n",n,j,t);b=0;break;}
}