View Compilation Error

0_0_34999669_5251.cpp: In function 'int main()':
0_0_34999669_5251.cpp:6:20: error: 'N' was not declared in this scope
  while(scanf("%d",&N)!=EOF)
                    ^
0_0_34999669_5251.cpp:11:16: error: 'p' was not declared in this scope
    scanf("%d",&p);
                ^