#include"stdio.h" int main() { int n; while (scanf("%d",&n) != EOF) { int m=0,sum=0,a,b,i; while (sum < n) { m++; sum += m; //1+2+3+4+5++... } sum -= m; //减去最后加的那个 a = 1; b = m; for (i = sum+1;i < n; i++) { a++; b--; } if (m % 2 == 0) printf("TERM %d IS %d/%d\n",n,a,b); else printf("TERM %d IS %d/%d\n",n,b,a); } return 0; }