input:

3 3
1 2 3
2 3 1
1 3 2

output:

result:

wrong output format Unexpected end of file - int64 expected

input:

500000 499999
1 2 776715136
2 3 406881694
3 4 265792290
4 5 507607272
5 6 182246639
6 7 997847597
7 8 164130256
8 9 278962226
9 10 411194641
10 11 363646402
11 12 672225656
12 13 494629089
13 14 717664153
14 15 121619271
15 16 476857704
16 17 301215244
17 18 810217743
18 19 850722975
19 20 10710274
...

output:

998789691

result:

wrong output format Unexpected end of file - token expected

input:

366489 397001
2 127909 1
7 171229 1
8 158597 1
11 282213 1
14 356007 1
15 286102 1
16 93205 1
17 260111 1
18 138962 1
20 359938 1
29 223905 1
31 357684 1
32 259968 1
34 65205 1
37 200276 1
41 83195 1
43 159858 1
48 332277 1
50 320322 1
51 338467 1
53 262785 1
55 83815 1
56 173198 1
58 169473 1
63 19...

output:

result:

wrong output format Unexpected end of file - int64 expected