View Compilation Error

0_0_35916515_23688.cpp: In function 'int main()':
0_0_35916515_23688.cpp:7:2: error: expected initializer before 'while'
  while (cin>> str || str!="#"){
  ^
0_0_35916515_23688.cpp:29:1: error: expected '}' at end of input
 } 
 ^