ruby0.49, 133 bytes

Result

WA

Duration

466ms

Code [DL]

freq = {}
x=[]
while gets()
    for word in $_.split('/\s/')
a=word.split(" ")
    end
      printf("%d %d %d\n",a[0],a[1],a[2])
end

stdin

91 86 19
01 45 02
21 08 71
14 93 76

stdout

91 86 19
1 45 2
21 0 71
14 93 76

stderr

strace