keys are not working properly


I am facing a problem my certain aren't working properly as if I press u, I & it shows 4, 5, 6 any ideas of this issue?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0