Kirill Ovchinnikov@okv87Follow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceokv87 has not updated employment details yet.Educationokv87 has not updated education details yet.Linksokv87 has not updated links details yet. Skillsokv87 has not updated skills details yet.