View Compilation Error

0_0_18217049_6910.cpp: In function 'int main()':
0_0_18217049_6910.cpp:22:4: error: 'scan' was not declared in this scope
    scan
    ^
0_0_18217049_6910.cpp:22:4: error: expected '}' at end of input
0_0_18217049_6910.cpp:22:4: error: expected '}' at end of input
0_0_18217049_6910.cpp:22:4: error: expected '}' at end of input