View Compilation Error

0_0_25194663_5340.cpp: In function 'int main()':
0_0_25194663_5340.cpp:72:37: error: expected primary-expression before 'return'
  for (; scanf("%d%d", &n, &k) == 2; return 0) {
                                     ^
0_0_25194663_5340.cpp:72:37: error: expected ')' before 'return'
0_0_25194663_5340.cpp:72:45: error: expected ';' before ')' token
  for (; scanf("%d%d", &n, &k) == 2; return 0) {
                                             ^
0_0_25194663_5340.cpp:72:45: error: expected primary-expression before ')' token