def jumpingOnClouds(c):
    # Write your code here
    count = 0
    i = 0

    while i < len(c)-1:
              
        if  (i + 2 < len(c)) and c[i+2] == 0:
            count += 1
            i += 2
        else:
            count += 1
            i += 1
    
    return count