View Compilation Error

0_0_16989405_6754.c: In function 'main':
0_0_16989405_6754.c:6:17: error: expected identifier or '(' before 'int'
   { int a;int i,int sum=0;
                 ^
0_0_16989405_6754.c:9:6: error: 'sum' undeclared (first use in this function)
      sum=0;
      ^
0_0_16989405_6754.c:9:6: note: each undeclared identifier is reported only once for each function it appears in