a = int(input())

while a<2:
    
    a = a + 1
    print(a)
    if a==1:
        print('if jest true')
        b=2+3
        print(b)
    elif a==1:
        print('a==2')
    else:
        print('wszystkie inne')
    
    print('a')
    
    if a==1:
        print('drugi if' + str(a))
else:
    print('else while')
        

litery = {'a', 1, 'str'}
print('zaczyna sie for')
for it in litery:
    print(it)
else:
    print('finally')

print(it)
print('aaa')