func_code_string: #include <bits/stdc++.h>   using namespace std;   int a;   int gcd(int a, int b) {     if (b == 0) {       return a;     }     return gcd(b, a % b);   }   void solve() {     int temp, sum = 0, m, i;     for (i = 2; i < a; i++) {       temp = a;       while (temp) {         sum += temp % i;         temp = temp / i;       }     }     m = gcd(sum, a - 2);     printf( %d/%d n , sum / m, (a - 2) / m);   }   int main() {     while (scanf( %d , &a) == 1) {       solve();     }     fclose(stdin);     fclose(stdout);     return 0;   }   