View Compilation Error

0_0_37577812_23919.cpp: In function 'int main()':
0_0_37577812_23919.cpp:66:32: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  while(scanf("%lld%lld",&n,&m==2){
                                ^
0_0_37577812_23919.cpp:66:34: error: expected ')' before '{' token
  while(scanf("%lld%lld",&n,&m==2){
                                  ^