def jumpingOnClouds(c):
    # Write your code here
    
    counter = 0
    i = 0
    
    while i + 2 <= len(c) - 1:
        counter += 1
        if c[i + 2] == 0:
            i += 2
        else:
            i += 1
    
    if i == len(c) - 2:
        return counter + 1
    else:
        return counter