#include<iostream> using namespace std; int n,m,nrc,rez,U,D,L,R,mu,md,ml,mr; int i,j; char K; int main() { cin>>n>>m>>nrc; for(i=1;i<=nrc;i++) { //scanf("%c",K); cin>>K; if(K=='U') U++; if(K=='D') D++; if(K=='R') R++; if(K=='L') L++; if(mu<U-D) mu=U-D; if(md<D-U) mu=D-U; if(mr<R-L) mr=R-L; if(ml<L-R) ml=L-R; } n=n-md+mu; m=m-ml+mr; if(n>0 && m>0) cout<<m*n; else cout<<0; return 0; }