View Compilation Error

0_0_32330623_18210.cpp: In function 'int main()':
0_0_32330623_18210.cpp:6:7: error: redeclaration of 'int a'
   int a,b;
       ^
0_0_32330623_18210.cpp:5:7: note: 'int a' previously declared here
   int a,b;
       ^
0_0_32330623_18210.cpp:6:9: error: redeclaration of 'int b'
   int a,b;
         ^
0_0_32330623_18210.cpp:5:9: note: 'int b' previously declared here
   int a,b;
         ^