View Compilation Error

88802_0_2607.cpp: In function `int main()':
88802_0_2607.cpp:5: error: `a' undeclared (first use this function)
88802_0_2607.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
88802_0_2607.cpp:5: error: `b' undeclared (first use this function)