View Compilation Error

0_0_34286109_7935.cpp: In function 'int main()':
0_0_34286109_7935.cpp:7:3: error: 'flag1' was not declared in this scope
   flag1=1,flag2=1;
   ^
0_0_34286109_7935.cpp:7:11: error: 'flag2' was not declared in this scope
   flag1=1,flag2=1;
           ^