View Compilation Error

0_0_31011415_1716.cpp: In function 'int main()':
0_0_31011415_1716.cpp:4:1: error: 'intA' was not declared in this scope
 intA,B;
 ^
0_0_31011415_1716.cpp:4:6: error: 'B' was not declared in this scope
 intA,B;
      ^
0_0_31011415_1716.cpp:5:17: error: 'A' was not declared in this scope
 scanf("%d%d\n",&A,&B);
                 ^