174.md

Simple Programming

AWK script:

BEGIN {
    linenum = 0
}
{
    ct0 = gsub(/0/, "", $0)
    ct1 = gsub(/1/, "", $0)

    if (ct0%3 == 0 || ct1%2 == 0) {
        linenum++
    }
}
END {
    print linenum
}

gawk -f script.awk data.dat