View Compilation Error

0_0_33696787_23101.cpp: In function 'int main()':
0_0_33696787_23101.cpp:142:13: error: 'sum0' was not declared in this scope
   cin>>n>>m;sum0=0,sum1=0;a[0]=0;k=0;
             ^
0_0_33696787_23101.cpp:142:20: error: 'sum1' was not declared in this scope
   cin>>n>>m;sum0=0,sum1=0;a[0]=0;k=0;
                    ^