View Compilation Error

0_0_37595044_26260.cpp: In function 'bool if_num(int)':
0_0_37595044_26260.cpp:7:6: error: redefinition of 'bool if_num(int)'
 bool if_num(int i) {
      ^
0_0_37595044_26260.cpp:4:6: note: 'bool if_num(int)' previously defined here
 bool if_num(int i) {
      ^
0_0_37595044_26260.cpp: In function 'int main()':
0_0_37595044_26260.cpp:27:2: error: expected '}' at end of input
  }
  ^