pop = 8.0 # bil
ded = 109.0 # bil
year = 0
while pop < ded:
ded += pop * 0.0075
pop += pop * 0.01
year += 1
print(year)
cG9wID0gOC4wICMgYmlsCmRlZCA9IDEwOS4wICMgYmlsCnllYXIgPSAwCndoaWxlIHBvcCA8IGRlZDoKICAgIGRlZCArPSBwb3AgKiAwLjAwNzUKICAgIHBvcCArPSBwb3AgKiAwLjAxCiAgICB5ZWFyICs9IDEKcHJpbnQoeWVhcik=