View Compilation Error

281364_0_7349.cpp: In function `int main()':
281364_0_7349.cpp:14: error: `b' undeclared (first use this function)
281364_0_7349.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
281364_0_7349.cpp: At global scope:
281364_0_7349.cpp:22: error: expected unqualified-id before "return"
281364_0_7349.cpp:22: error: expected `,' or `;' before "return"
281364_0_7349.cpp:23: error: expected declaration before '}' token