View Compilation Error

0_0_36077995_9600.cpp: In function 'int main()':
0_0_36077995_9600.cpp:3:1: error: 'r' was not declared in this scope
 r
 ^
0_0_36077995_9600.cpp:12:1: error: expected '}' at end of input
 redfhsdfbd
 ^