#include <bits/stdc++.h>   using namespace std;   int main() {     int n, x = 0, y = 0, x0 = 0, y0 = 0, k = 1, ans = 1;     string s;     cin >> n >> s;     for (int i = 0; i < n; i++) {       if (s[i] ==  L ) x--;       if (s[i] ==  R ) x++;       if (s[i] ==  D ) y--;       if (s[i] ==  U ) y++;       if (abs(x - x0) + abs(y - y0) < k) {         ans++;         k = 1;         x0 = x;         if (s[i] ==  L ) x0++;         if (s[i] ==  R ) x0--;         y0 = y;         if (s[i] ==  D ) y0++;         if (s[i] ==  U ) y0--;       } else         k++;     }     printf( %d , ans);     return 0;   }   