View Compilation Error

0_0_30134522_27699.cpp: In function 'int main()':
0_0_30134522_27699.cpp:17:6: error: 'p' was not declared in this scope
   if(p!=2)
      ^
0_0_30134522_27699.cpp:19:14: error: 'i' was not declared in this scope
   else cout<<i+1<<endl; 
              ^