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#!/usr/bin/env python3
import sys, random, subprocess
ntimes=10000
maxn=1e100
def check(desc,x,y):
if x==y: return
print("{}: {} != {}".format(desc,x,y))
assert False
def gendata():
for _ in range(ntimes):
yield random.randint(-maxn,maxn), random.randint(-maxn,maxn)
def proctest():
proc=subprocess.Popen(["./main"],stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=sys.stderr)
for (a,b) in gendata():
proc.stdin.write("div {} {}\n".format(a,b).encode("ascii"))
proc.stdin.write("mod {} {}\n".format(a,b).encode("ascii"))
proc.stdin.flush()
q=int(proc.stdout.readline())
r=int(proc.stdout.readline())
if r<0 or r>=abs(b) or a!=q*b+r:
print("Error: {} divmod {}".format(a,b))
print("Diff: {}".format(a-q*b-r))
sys.exit(1)
proc.kill()
def justprint():
for (a,b) in gendata():
print("div {} {}".format(a,b))
print("mod {} {}".format(a,b))
#justprint()
proctest()
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