View Compilation Error

0_0_15502520_32182.cpp: In function 'int main()':
0_0_15502520_32182.cpp:3:7: error: expected initializer before 'B'
 int A B C
       ^
0_0_15502520_32182.cpp:5:1: error: 'C' was not declared in this scope
 C=A+B;
 ^
0_0_15502520_32182.cpp:5:3: error: 'A' was not declared in this scope
 C=A+B;
   ^
0_0_15502520_32182.cpp:5:5: error: 'B' was not declared in this scope
 C=A+B;
     ^
0_0_15502520_32182.cpp:6:15: error: 'c' was not declared in this scope
 printf("C=%d",c)
               ^
0_0_15502520_32182.cpp:6:16: error: 'printf' was not declared in this scope
 printf("C=%d",c)
                ^