View Compilation Error

0_0_37361454_8861.cpp: In function 'int main()':
0_0_37361454_8861.cpp:11:12: error: 'e' was not declared in this scope
    int a=0;e=0,i=0,o=0,u=0;
            ^
0_0_37361454_8861.cpp:11:16: error: 'i' was not declared in this scope
    int a=0;e=0,i=0,o=0,u=0;
                ^
0_0_37361454_8861.cpp:11:20: error: 'o' was not declared in this scope
    int a=0;e=0,i=0,o=0,u=0;
                    ^
0_0_37361454_8861.cpp:11:24: error: 'u' was not declared in this scope
    int a=0;e=0,i=0,o=0,u=0;
                        ^