0 = 42-42
1 = 42/42
-1 = -(42/42)
2 = (42+42)/42
3 = (42+42+42)/42
4 = (42+42+42+42)/42
5 = (42+42+42+42+42)/42
6 = (42+42+42)/(42*42/(42+42))
10 = (42*42-(42+42))/(42+42+42+42)
20 = 42*42/(42+42)-42/42
30 = (42+42)/42+42*(42+42)/(42+42+42)
40 = 42-(42+42)/42
50 = 42+(42+42+42+42)/(42*42/(42+42))
60 = 42*42/(42+42)+42-(42+42+42)/42
70 = 42+42*(42+42)/(42+42+42)
120 = (42-(42+42)/42)*(42+42+42)/42
240 = (42-(42+42)/42)*(42+42+42)/(42*42/(42+42))
1200 = (42-(42+42)/42)*((42+42)/42+42*(42+42)/(42+42+42))
12000 = (42-(42+42)/42)*(42+((42+42+42)/42)*(42+42+(42+42)/42))
14400 = (42+42+(42+42+42)/42)*((42+42)/42)*(42+42-42/42)-42
46340 = (42*42/(42+42+42))*(42*(42+42)-(42+(42+(42+42)/42)*(42+42+42+42)/42))
-46340 = -((42*42/(42+42+42))*(42*(42+42)-(42+(42+(42+42)/42)*(42+42+42+42)/42)))
100000 = (42+42)*(42+42*(42+42))/((42+42+42)/42)+42-(42+42)/42
1000000 = (42*42/(42+42)+42+42+42+42)*(42*(42+42+42)-42/42)+42/42
9999999 = (42+42*42+42+42)*(42*(42+42+42)-42/42)+(42+42+42)/(42*42/(42+42+42))
999997 = (42+42/42+42+42)*((42+42*42/(42+42))*(42+42+42-42/42)-(42+42)/42)+42+42+42
2147483647 = 42*((42+42*42+42/42+42+42+42+42)*((42+42)/42+(42+42/42)*(42+42*42)/((42+42+42)/42))+42*42-42/42)+(42/42)
-2147483647 = -(42*((42+42*42+42/42+42+42+42+42)*((42+42)/42+(42+42/42)*(42+42*42)/((42+42+42)/42))+42*42-42/42)+(42/42))