View Compilation Error

0_0_2175386_23824.cpp:3: error: `main' must return `int'
0_0_2175386_23824.cpp: In function `int main(...)':
0_0_2175386_23824.cpp:4: error: `A' does not name a type
0_0_2175386_23824.cpp:4: error: stray '\163' in program
0_0_2175386_23824.cpp:4: error: stray '\187' in program
0_0_2175386_23824.cpp:6: error: `A' undeclared (first use this function)
0_0_2175386_23824.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2175386_23824.cpp:6: error: `B' undeclared (first use this function)