def max3(x):
tmp=[]
for a in x:
if tmp==[]:
tmp=[a]
else:
tmq=[]
for i in range(len(tmp)):
if a > tmp[i]:
tmq=tmq+[a]+tmp[i:]
else:
tmq=tmq+[tmp[i]]
tmp=tmq[0:3]
return tmp
print(max3([1,2,3,5,12,4,5,-7,22]))
ZGVmIG1heDMoeCk6Cgl0bXA9W10KCWZvciBhIGluIHg6CgkJaWYgdG1wPT1bXToKCQkJdG1wPVthXQoJCWVsc2U6CgkJCXRtcT1bXQoJCQlmb3IgaSBpbiByYW5nZShsZW4odG1wKSk6CgkJCQlpZiBhID4gdG1wW2ldOgoJCQkJCXRtcT10bXErW2FdK3RtcFtpOl0KCQkJCWVsc2U6CgkJCQkJdG1xPXRtcStbdG1wW2ldXQoJCQl0bXA9dG1xWzA6M10KCXJldHVybiB0bXAKCQpwcmludChtYXgzKFsxLDIsMyw1LDEyLDQsNSwtNywyMl0pKQkKCQkJCQ==