n = input().split()
yw = int(n[0])
sx = int(n[1])
yy = int(n[2])
m = 0
if 90 <= yw <= 100:
    m += 1
if 90 <= sx <= 100:
    m += 1
if 90 <= yy <= 100:
    m += 1
print(m)
/**************************************************************
	Problem: 1678
	User: admin
	Language: Python
	Result: Accepted
	Time:122 ms
	Memory:34480 kb
****************************************************************/