View Compilation Error

0_0_33073197_9208.cpp: In function 'int main()':
0_0_33073197_9208.cpp:127:50: error: expected statement at end of input
             if (a == U.num + 1 || b == 0 || a > b)
                                                  ^
0_0_33073197_9208.cpp:127:50: error: expected '}' at end of input
0_0_33073197_9208.cpp:127:50: error: expected '}' at end of input
0_0_33073197_9208.cpp:127:50: error: expected '}' at end of input