#!/usr/bin/evn python
import os
sum0=0
root=os.walk("/root")
for i,dirs,files in root:
    for file in files:
        if int(os.path.getctime(os.path.join(i,file)))>1367078400:
#            print os.path.join(i,file)
            sum0 = sum0 + os.path.getsize(os.path.join(i,file))

print sum0
print sum0/1024,"k"
print sum0/1024/1024,"m"