import sys for line in sys.stdin: n = int(line) count = 0 for i in range(1, n + 1): if '7' in str(i): count += 1 continue if i % 7 == 0: count += 1 continue print(count)
import sys for line in sys.stdin: n = int(line) count = 0 for i in range(1, n + 1): if '7' in str(i): count += 1 continue if i % 7 == 0: count += 1 continue print(count)