R if else error

Can anyone show me the error here? bp_score<- ifelse(mergeews$sy_bp1 <70),3, + + ifelse(mergeews$sy_bp1>=71) &(mergeews$sy_bp1<80),2, + + ifelse((mergeews$sy_bp1>=81) &(mergeews$sy_bp1<100),1, + ifelse((mergeews$sy_bp1>200),2,0))