30
100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007 100000007
1
1 30