View Compilation Error

0_0_16203462_20189.cpp: In function 'int main()':
0_0_16203462_20189.cpp:69:9: error: 'in' was not declared in this scope
         in
         ^
0_0_16203462_20189.cpp:69:9: error: expected '}' at end of input
0_0_16203462_20189.cpp:69:9: error: expected '}' at end of input