View Compilation Error

0_0_17842815_2736.cpp:67:5: error: expected initializer before 'long'
     long long now=1;
     ^
0_0_17842815_2736.cpp:68:5: error: expected unqualified-id before 'while'
     while(b!=0){
     ^
0_0_17842815_2736.cpp:73:5: error: expected unqualified-id before 'return'
     return now;
     ^
0_0_17842815_2736.cpp:74:1: error: expected declaration before '}' token
 }
 ^