#include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     string s;     cin >> s;     int p1 = 0, q1 = 0, r1 = 0, s1 = 0;     int ans = 1;     int a = 0, b = 0, c = 0, d = 0;     vector<int> v;     int sum = 0;     for (int j = 0; j < s.length(); j++) {       if (s[j] ==  R ) {         if ((q1 > 0)) {           ans++;           v.push_back(j);           q1 = 0;           r1 = 0;           s1 = 0;         }         p1++;       }       if (s[j] ==  L ) {         if ((p1 > 0)) {           ans++;           v.push_back(j);           p1 = 0;           r1 = 0;           s1 = 0;         }         q1++;       }       if (s[j] ==  U ) {         if (s1 > 0) {           ans++;           v.push_back(j);           q1 = 0;           p1 = 0;           s1 = 0;         }         r1++;       }       if (s[j] ==  D ) {         if ((r1 > 0)) {           ans++;           v.push_back(j);           q1 = 0;           r1 = 0;           p1 = 0;         }         s1++;       }     }     cout << ans;   }   