View Compilation Error

0_0_5107134_24432.cpp: In function `int main()':
0_0_5107134_24432.cpp:8: error: `gets' undeclared (first use this function)
0_0_5107134_24432.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5107134_24432.cpp:13: error: `puts' undeclared (first use this function)