def birthday(s, d, m):
# Write your code here
count = 0


if isinstance(s, list):
    if m == 0:
        return "0"
    for i in range(len(s) - m + 1):
        if sum(s[i:i + m]) == d:
            count += 1

    elif isinstance(s, int):
    if m == 1 and s == d:
        count = 1

return f"{count}"
elif isinstance(s, int):
    if m == 1 and s == d:
        count = 1

return f"{count}"