#include <stdio.h>


int main()
{
    FILE *fin = fopen("input.txt", "r");
    FILE *fout =fopen("output.txt", "w");

    int n,m,sum=0,check=0;

    fscanf(fin,"%d%d",&n,&m);


    char *mushrooms1 = (char*)malloc(sizeof(char) * m);
    char *mushrooms2 = (char*)malloc(sizeof(char) * m);
    fgets(mushrooms1,m,fin);
    for (int i=1;i<n;i++)
    {
        fgets(mushrooms2,m,fin);
        for (int j=0;j<m;j++)
        {
            if ((mushrooms1[j]=='*') && (mushrooms2[j]=='#'))
            {
                sum++;
                while ((mushrooms2[j++]=='#') && (j!=m-1));
            }
        }
        for (int j=0;j<m;j++)
        {
            mushrooms1[j]=mushrooms2[j];
        }
    }

    fprintf(fout,"%d",sum);

    fclose(fin);
    fclose(fout);

    return 0;
}