View Compilation Error

0_0_19631386_25922.cpp:8:2: error: expected primary-expression before 'while'
  while(cin>>m>>n) 
  ^
0_0_19631386_25922.cpp:8:2: error: expected '}' before 'while'
0_0_19631386_25922.cpp:8:2: error: expected ',' or ';' before 'while'