N,M=map(int,input().split())
S=list(input())
l=[0]*M
dmap=[]
for i in range(N):
    d=l.copy()
    dmap.append(d)
for i in range(N):
    for j in range(M):
        x=0
        y=0
        for k in S:
            if k=="R":
                x=min(M-1,x+1)
            elif k=="L":
                x=max(0,x-1)
            elif k=="U":
                y=max(0,y-1)
            elif k=="D":
                y=min(N-1,y+1)
        if x==j and y==i:
            continue
        else:
            dmap[y][x]+=1
allsum=0
for i in range(N):
    for j in range(M):
        allsum+=dmap[i][j]
print(allsum*2)