View Compilation Error

0_0_3095595_18063.cpp: In function `int main()':
0_0_3095595_18063.cpp:17: error: `Forty' undeclared (first use this function)
0_0_3095595_18063.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3095595_18063.cpp:18: error: `two' undeclared (first use this function)
0_0_3095595_18063.cpp:18: error: expected `;' before "if"