/*
分析:
水。。。(2012金华现场赛J题)。。。
2012-10-30
*/
#include"stdio.h"
#include"string.h"
int main()
{
int n1,n2,n3;
int ans;
int count1[1111],count2[1111];
int i,l;
int m;
char str1[111],str2[111];
int a,b;
while(scanf("%d%d%d",&n1,&n2,&n3),n1,n2,n3)
{
scanf("%d",&m);
memset(count1,0,sizeof(count1));
memset(count2,0,sizeof(count2));
while(m--)
{
scanf("%s%d%s%d",str1,&a,str2,&b);
if(strcmp(str1,"clothes")==0) count1[b]++;
else count2[a]++;
}
ans=0;
for(i=1;i<=n2;i++) ans+=(n1-count1[i])*(n3-count2[i]);
printf("%d\n",ans);
}
return 0;
}