View Compilation Error

0_0_3095305_22032.cpp: In function `int Sum(int, int)':
0_0_3095305_22032.cpp:29: error: redefinition of `int Sum(int, int)'
0_0_3095305_22032.cpp:5: error: `int Sum(int, int)' previously defined here
0_0_3095305_22032.cpp: In function `int main()':
0_0_3095305_22032.cpp:40: error: redefinition of `int main()'
0_0_3095305_22032.cpp:16: error: `int main()' previously defined here