Codeforces solution 1080-B-B. Margarite and the best present codeforces solution,Codeforces 1080-B soloution, Codeforces Margarite and the best present
Codeforces solution 1080-B-B. Margarite and the best present codeforces solution,Codeforces 1080-B soloution, Codeforces Margarite and the best present