View Compilation Error

0_0_33478624_14123.cpp: In function 'int main()':
0_0_33478624_14123.cpp:105:17: error: 'co' was not declared in this scope
                 co
                 ^
0_0_33478624_14123.cpp:105:17: error: expected '}' at end of input
0_0_33478624_14123.cpp:105:17: error: expected '}' at end of input
0_0_33478624_14123.cpp:105:17: error: expected '}' at end of input
0_0_33478624_14123.cpp:105:17: error: expected '}' at end of input