i = 1
while i <= 100:
    if i % 7 != 0:
        print(i)
    i += 1

i = 1
while i >= 100:
    if i % 7 != 0:
        print(i)
    i += 1

i = 1
while i <= 100:
    if i % 7 == 0:
        break
    print(i)
    i += 1

for i in range(1, 101):
    if i % 7 == 0:
        print(i)
    else:
        continue